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scripts/checkpatch.pl
89.3 KB
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#!/usr/bin/perl -w |
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# (c) 2001, Dave Jones. (the file handling bit) |
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# (c) 2005, Joel Schopp <jschopp@austin.ibm.com> (the ugly bit) |
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# (c) 2007,2008, Andy Whitcroft <apw@uk.ibm.com> (new conditions, test suite) |
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# (c) 2008-2010 Andy Whitcroft <apw@canonical.com> |
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# Licensed under the terms of the GNU GPL License version 2 use strict; my $P = $0; |
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$P =~ s@.*/@@g; |
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my $V = '0.32'; |
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use Getopt::Long qw(:config no_auto_abbrev); my $quiet = 0; my $tree = 1; my $chk_signoff = 1; my $chk_patch = 1; |
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my $tst_only; |
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my $emacs = 0; |
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my $terse = 0; |
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my $file = 0; my $check = 0; |
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my $summary = 1; my $mailback = 0; |
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my $summary_file = 0; |
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my $show_types = 0; |
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my $root; |
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my %debug; |
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my %ignore_type = (); my @ignore = (); |
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my $help = 0; |
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my $configuration_file = ".checkpatch.conf"; |
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sub help { my ($exitcode) = @_; print << "EOM"; Usage: $P [OPTION]... [FILE]... Version: $V Options: -q, --quiet quiet --no-tree run without a kernel tree --no-signoff do not check for 'Signed-off-by' line --patch treat FILE as patchfile (default) --emacs emacs compile window format --terse one line per report -f, --file treat FILE as regular source file --subjective, --strict enable more subjective tests |
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--ignore TYPE(,TYPE2...) ignore various comma separated message types --show-types show the message "types" in the output |
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--root=PATH PATH to the kernel tree root --no-summary suppress the per-file summary --mailback only produce a report in case of warnings/errors --summary-file include the filename in summary --debug KEY=[0|1] turn on/off debugging of KEY, where KEY is one of 'values', 'possible', 'type', and 'attr' (default is all off) --test-only=WORD report only warnings/errors containing WORD literally -h, --help, --version display this help and exit When FILE is - read standard input. EOM exit($exitcode); } |
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my $conf = which_conf($configuration_file); if (-f $conf) { my @conf_args; open(my $conffile, '<', "$conf") or warn "$P: Can't find a readable $configuration_file file $! "; while (<$conffile>) { my $line = $_; $line =~ s/\s* ?$//g; $line =~ s/^\s*//g; $line =~ s/\s+/ /g; next if ($line =~ m/^\s*#/); next if ($line =~ m/^\s*$/); my @words = split(" ", $line); foreach my $word (@words) { last if ($word =~ m/^#/); push (@conf_args, $word); } } close($conffile); unshift(@ARGV, @conf_args) if @conf_args; } |
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GetOptions( |
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'q|quiet+' => \$quiet, |
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'tree!' => \$tree, 'signoff!' => \$chk_signoff, 'patch!' => \$chk_patch, |
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'emacs!' => \$emacs, |
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'terse!' => \$terse, |
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'f|file!' => \$file, |
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'subjective!' => \$check, 'strict!' => \$check, |
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'ignore=s' => \@ignore, 'show-types!' => \$show_types, |
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'root=s' => \$root, |
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'summary!' => \$summary, 'mailback!' => \$mailback, |
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'summary-file!' => \$summary_file, |
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'debug=s' => \%debug, |
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'test-only=s' => \$tst_only, |
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'h|help' => \$help, 'version' => \$help ) or help(1); help(0) if ($help); |
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my $exit = 0; if ($#ARGV < 0) { |
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print "$P: no input files "; |
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exit(1); } |
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@ignore = split(/,/, join(',',@ignore)); foreach my $word (@ignore) { $word =~ s/\s* ?$//g; $word =~ s/^\s*//g; $word =~ s/\s+/ /g; $word =~ tr/[a-z]/[A-Z]/; next if ($word =~ m/^\s*#/); next if ($word =~ m/^\s*$/); $ignore_type{$word}++; } |
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my $dbg_values = 0; my $dbg_possible = 0; |
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my $dbg_type = 0; |
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my $dbg_attr = 0; |
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for my $key (keys %debug) { |
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## no critic eval "\${dbg_$key} = '$debug{$key}';"; die "$@" if ($@); |
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} |
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my $rpt_cleaners = 0; |
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if ($terse) { $emacs = 1; $quiet++; } |
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if ($tree) { if (defined $root) { if (!top_of_kernel_tree($root)) { die "$P: $root: --root does not point at a valid tree "; } } else { if (top_of_kernel_tree('.')) { $root = '.'; } elsif ($0 =~ m@(.*)/scripts/[^/]*$@ && top_of_kernel_tree($1)) { $root = $1; } } if (!defined $root) { print "Must be run from the top-level dir. of a kernel tree "; exit(2); } |
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} |
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my $emitted_corrupt = 0; |
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our $Ident = qr{ [A-Za-z_][A-Za-z\d_]* (?:\s*\#\#\s*[A-Za-z_][A-Za-z\d_]*)* }x; |
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our $Storage = qr{extern|static|asmlinkage}; our $Sparse = qr{ __user| __kernel| __force| __iomem| __must_check| __init_refok| |
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__kprobes| |
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__ref| __rcu |
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}x; |
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# Notes to $Attribute: # We need \b after 'init' otherwise 'initconst' will cause a false positive in a check |
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our $Attribute = qr{ const| |
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__percpu| __nocast| __safe| __bitwise__| __packed__| __packed2__| __naked| __maybe_unused| __always_unused| __noreturn| __used| __cold| __noclone| __deprecated| |
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__read_mostly| __kprobes| |
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__(?:mem|cpu|dev|)(?:initdata|initconst|init\b)| |
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____cacheline_aligned| ____cacheline_aligned_in_smp| |
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____cacheline_internodealigned_in_smp| __weak |
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}x; |
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our $Modifier; |
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our $Inline = qr{inline|__always_inline|noinline}; |
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our $Member = qr{->$Ident|\.$Ident|\[[^]]*\]}; our $Lval = qr{$Ident(?:$Member)*}; our $Constant = qr{(?:[0-9]+|0x[0-9a-fA-F]+)[UL]*}; our $Assignment = qr{(?:\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=)}; |
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our $Compare = qr{<=|>=|==|!=|<|>}; |
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our $Operators = qr{ <=|>=|==|!=| =>|->|<<|>>|<|>|!|~| |
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&&|\|\||,|\^|\+\+|--|&|\||\+|-|\*|\/|% |
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}x; |
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our $NonptrType; our $Type; our $Declare; |
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our $NON_ASCII_UTF8 = qr{ [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte |
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| \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs | [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # straight 3-byte | \xED[\x80-\x9F][\x80-\xBF] # excluding surrogates | \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3 | [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15 | \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16 }x; |
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our $UTF8 = qr{ [\x09\x0A\x0D\x20-\x7E] # ASCII | $NON_ASCII_UTF8 }x; |
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our $typeTypedefs = qr{(?x: |
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(?:__)?(?:u|s|be|le)(?:8|16|32|64)| |
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atomic_t )}; |
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our $logFunctions = qr{(?x: |
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printk(?:_ratelimited|_once|)| [a-z0-9]+_(?:printk|emerg|alert|crit|err|warning|warn|notice|info|debug|dbg|vdbg|devel|cont|WARN)(?:_ratelimited|_once|)| WARN(?:_RATELIMIT|_ONCE|)| |
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panic| MODULE_[A-Z_]+ |
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)}; |
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our $signature_tags = qr{(?xi: Signed-off-by:| Acked-by:| Tested-by:| Reviewed-by:| Reported-by:| To:| Cc: )}; |
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our @typeList = ( qr{void}, |
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qr{(?:unsigned\s+)?char}, qr{(?:unsigned\s+)?short}, qr{(?:unsigned\s+)?int}, qr{(?:unsigned\s+)?long}, qr{(?:unsigned\s+)?long\s+int}, qr{(?:unsigned\s+)?long\s+long}, qr{(?:unsigned\s+)?long\s+long\s+int}, |
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qr{unsigned}, qr{float}, qr{double}, qr{bool}, |
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qr{struct\s+$Ident}, qr{union\s+$Ident}, qr{enum\s+$Ident}, qr{${Ident}_t}, qr{${Ident}_handler}, qr{${Ident}_handler_fn}, ); |
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our @modifierList = ( qr{fastcall}, ); |
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our $allowed_asm_includes = qr{(?x: irq| memory )}; # memory.h: ARM has a custom one |
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sub build_types { |
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my $mods = "(?x: " . join("| ", @modifierList) . " )"; my $all = "(?x: " . join("| ", @typeList) . " )"; |
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$Modifier = qr{(?:$Attribute|$Sparse|$mods)}; |
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$NonptrType = qr{ |
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(?:$Modifier\s+|const\s+)* |
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(?: |
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(?:typeof|__typeof__)\s*\(\s*\**\s*$Ident\s*\)| |
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(?:$typeTypedefs\b)| |
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(?:${all}\b) |
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) |
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(?:\s+$Modifier|\s+const)* |
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}x; $Type = qr{ |
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$NonptrType |
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(?:[\s\*]+\s*const|[\s\*]+|(?:\s*\[\s*\])+)? |
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(?:\s+$Inline|\s+$Modifier)* |
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}x; $Declare = qr{(?:$Storage\s+)?$Type}; } build_types(); |
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our $match_balanced_parentheses = qr/(\((?:[^\(\)]+|(-1))*\))/; our $Typecast = qr{\s*(\(\s*$NonptrType\s*\)){0,1}\s*}; our $LvalOrFunc = qr{($Lval)\s*($match_balanced_parentheses{0,1})\s*}; sub deparenthesize { my ($string) = @_; return "" if (!defined($string)); $string =~ s@^\s*\(\s*@@g; $string =~ s@\s*\)\s*$@@g; $string =~ s@\s+@ @g; return $string; } |
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$chk_signoff = 0 if ($file); |
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my @dep_includes = (); my @dep_functions = (); |
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my $removal = "Documentation/feature-removal-schedule.txt"; if ($tree && -f "$root/$removal") { |
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open(my $REMOVE, '<', "$root/$removal") || |
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die "$P: $removal: open failed - $! "; |
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while (<$REMOVE>) { |
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if (/^Check:\s+(.*\S)/) { for my $entry (split(/[, ]+/, $1)) { if ($entry =~ m@include/(.*)@) { |
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push(@dep_includes, $1); |
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} elsif ($entry !~ m@/@) { push(@dep_functions, $entry); } |
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} |
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} } |
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close($REMOVE); |
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} |
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my @rawlines = (); |
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my @lines = (); my $vname; |
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for my $filename (@ARGV) { |
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my $FILE; |
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if ($file) { |
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open($FILE, '-|', "diff -u /dev/null $filename") || |
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die "$P: $filename: diff failed - $! "; |
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} elsif ($filename eq '-') { open($FILE, '<&STDIN'); |
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} else { |
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open($FILE, '<', "$filename") || |
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die "$P: $filename: open failed - $! "; |
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} |
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if ($filename eq '-') { $vname = 'Your patch'; } else { $vname = $filename; } |
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while (<$FILE>) { |
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chomp; push(@rawlines, $_); } |
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close($FILE); |
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if (!process($filename)) { |
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$exit = 1; } @rawlines = (); |
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@lines = (); |
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} exit($exit); sub top_of_kernel_tree { |
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my ($root) = @_; my @tree_check = ( "COPYING", "CREDITS", "Kbuild", "MAINTAINERS", "Makefile", "README", "Documentation", "arch", "include", "drivers", "fs", "init", "ipc", "kernel", "lib", "scripts", ); foreach my $check (@tree_check) { if (! -e $root . '/' . $check) { return 0; } |
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} |
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return 1; |
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} |
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sub parse_email { my ($formatted_email) = @_; my $name = ""; my $address = ""; my $comment = ""; if ($formatted_email =~ /^(.*)<(\S+\@\S+)>(.*)$/) { $name = $1; $address = $2; $comment = $3 if defined $3; } elsif ($formatted_email =~ /^\s*<(\S+\@\S+)>(.*)$/) { $address = $1; $comment = $2 if defined $2; } elsif ($formatted_email =~ /(\S+\@\S+)(.*)$/) { $address = $1; $comment = $2 if defined $2; $formatted_email =~ s/$address.*$//; $name = $formatted_email; $name =~ s/^\s+|\s+$//g; $name =~ s/^\"|\"$//g; # If there's a name left after stripping spaces and # leading quotes, and the address doesn't have both # leading and trailing angle brackets, the address # is invalid. ie: # "joe smith joe@smith.com" bad # "joe smith <joe@smith.com" bad if ($name ne "" && $address !~ /^<[^>]+>$/) { $name = ""; $address = ""; $comment = ""; } } $name =~ s/^\s+|\s+$//g; $name =~ s/^\"|\"$//g; $address =~ s/^\s+|\s+$//g; $address =~ s/^\<|\>$//g; if ($name =~ /[^\w \-]/i) { ##has "must quote" chars $name =~ s/(?<!\\)"/\\"/g; ##escape quotes $name = "\"$name\""; } return ($name, $address, $comment); } sub format_email { my ($name, $address) = @_; my $formatted_email; $name =~ s/^\s+|\s+$//g; $name =~ s/^\"|\"$//g; $address =~ s/^\s+|\s+$//g; if ($name =~ /[^\w \-]/i) { ##has "must quote" chars $name =~ s/(?<!\\)"/\\"/g; ##escape quotes $name = "\"$name\""; } if ("$name" eq "") { $formatted_email = "$address"; } else { $formatted_email = "$name <$address>"; } return $formatted_email; } |
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sub which_conf { my ($conf) = @_; foreach my $path (split(/:/, ".:$ENV{HOME}:.scripts")) { if (-e "$path/$conf") { return "$path/$conf"; } } return ""; } |
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sub expand_tabs { my ($str) = @_; my $res = ''; my $n = 0; for my $c (split(//, $str)) { if ($c eq "\t") { $res .= ' '; $n++; for (; ($n % 8) != 0; $n++) { $res .= ' '; } next; } $res .= $c; $n++; } return $res; } |
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sub copy_spacing { |
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(my $res = shift) =~ tr/\t/ /c; |
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return $res; } |
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sub line_stats { my ($line) = @_; # Drop the diff line leader and expand tabs $line =~ s/^.//; $line = expand_tabs($line); # Pick the indent from the front of the line. my ($white) = ($line =~ /^(\s*)/); return (length($line), length($white)); } |
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my $sanitise_quote = ''; sub sanitise_line_reset { my ($in_comment) = @_; if ($in_comment) { $sanitise_quote = '*/'; } else { $sanitise_quote = ''; } } |
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sub sanitise_line { my ($line) = @_; my $res = ''; my $l = ''; |
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my $qlen = 0; |
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my $off = 0; my $c; |
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# Always copy over the diff marker. $res = substr($line, 0, 1); for ($off = 1; $off < length($line); $off++) { $c = substr($line, $off, 1); # Comments we are wacking completly including the begin # and end, all to $;. if ($sanitise_quote eq '' && substr($line, $off, 2) eq '/*') { $sanitise_quote = '*/'; substr($res, $off, 2, "$;$;"); $off++; next; |
00df344fd update checkpatch... |
565 |
} |
81bc0e020 checkpatch: handl... |
566 |
if ($sanitise_quote eq '*/' && substr($line, $off, 2) eq '*/') { |
773647a09 update checkpatch... |
567 568 569 570 |
$sanitise_quote = ''; substr($res, $off, 2, "$;$;"); $off++; next; |
c2fdda0df update checkpatch... |
571 |
} |
113f04a83 checkpatch: handl... |
572 573 574 575 576 577 578 |
if ($sanitise_quote eq '' && substr($line, $off, 2) eq '//') { $sanitise_quote = '//'; substr($res, $off, 2, $sanitise_quote); $off++; next; } |
773647a09 update checkpatch... |
579 580 581 582 583 584 585 |
# A \ in a string means ignore the next character. if (($sanitise_quote eq "'" || $sanitise_quote eq '"') && $c eq "\\") { substr($res, $off, 2, 'XX'); $off++; next; |
00df344fd update checkpatch... |
586 |
} |
773647a09 update checkpatch... |
587 588 589 590 |
# Regular quotes. if ($c eq "'" || $c eq '"') { if ($sanitise_quote eq '') { $sanitise_quote = $c; |
00df344fd update checkpatch... |
591 |
|
773647a09 update checkpatch... |
592 593 594 595 596 597 |
substr($res, $off, 1, $c); next; } elsif ($sanitise_quote eq $c) { $sanitise_quote = ''; } } |
00df344fd update checkpatch... |
598 |
|
fae17daed checkpatch: comme... |
599 600 |
#print "c<$c> SQ<$sanitise_quote> "; |
773647a09 update checkpatch... |
601 602 |
if ($off != 0 && $sanitise_quote eq '*/' && $c ne "\t") { substr($res, $off, 1, $;); |
113f04a83 checkpatch: handl... |
603 604 |
} elsif ($off != 0 && $sanitise_quote eq '//' && $c ne "\t") { substr($res, $off, 1, $;); |
773647a09 update checkpatch... |
605 606 607 608 609 |
} elsif ($off != 0 && $sanitise_quote && $c ne "\t") { substr($res, $off, 1, 'X'); } else { substr($res, $off, 1, $c); } |
c2fdda0df update checkpatch... |
610 |
} |
113f04a83 checkpatch: handl... |
611 612 613 |
if ($sanitise_quote eq '//') { $sanitise_quote = ''; } |
c2fdda0df update checkpatch... |
614 |
# The pathname on a #include may be surrounded by '<' and '>'. |
c45dcabd2 update checkpatch... |
615 |
if ($res =~ /^.\s*\#\s*include\s+\<(.*)\>/) { |
c2fdda0df update checkpatch... |
616 617 618 619 |
my $clean = 'X' x length($1); $res =~ s@\<.*\>@<$clean>@; # The whole of a #error is a string. |
c45dcabd2 update checkpatch... |
620 |
} elsif ($res =~ /^.\s*\#\s*(?:error|warning)\s+(.*)\b/) { |
c2fdda0df update checkpatch... |
621 |
my $clean = 'X' x length($1); |
c45dcabd2 update checkpatch... |
622 |
$res =~ s@(\#\s*(?:error|warning)\s+).*@$1$clean@; |
c2fdda0df update checkpatch... |
623 |
} |
00df344fd update checkpatch... |
624 625 |
return $res; } |
8905a67c6 update checkpatch... |
626 627 628 629 630 631 |
sub ctx_statement_block { my ($linenr, $remain, $off) = @_; my $line = $linenr - 1; my $blk = ''; my $soff = $off; my $coff = $off - 1; |
773647a09 update checkpatch... |
632 |
my $coff_set = 0; |
8905a67c6 update checkpatch... |
633 |
|
13214adf7 update checkpatch... |
634 |
my $loff = 0; |
8905a67c6 update checkpatch... |
635 636 |
my $type = ''; my $level = 0; |
a27506459 checkpatch: handl... |
637 |
my @stack = (); |
cf655043d update checkpatch... |
638 |
my $p; |
8905a67c6 update checkpatch... |
639 640 |
my $c; my $len = 0; |
13214adf7 update checkpatch... |
641 642 |
my $remainder; |
8905a67c6 update checkpatch... |
643 |
while (1) { |
a27506459 checkpatch: handl... |
644 |
@stack = (['', 0]) if ($#stack == -1); |
773647a09 update checkpatch... |
645 646 |
#warn "CSB: blk<$blk> remain<$remain> "; |
8905a67c6 update checkpatch... |
647 648 649 650 |
# If we are about to drop off the end, pull in more # context. if ($off >= $len) { for (; $remain > 0; $line++) { |
dea33496d checkpatch: suppr... |
651 |
last if (!defined $lines[$line]); |
c2fdda0df update checkpatch... |
652 |
next if ($lines[$line] =~ /^-/); |
8905a67c6 update checkpatch... |
653 |
$remain--; |
13214adf7 update checkpatch... |
654 |
$loff = $len; |
c2fdda0df update checkpatch... |
655 656 |
$blk .= $lines[$line] . " "; |
8905a67c6 update checkpatch... |
657 658 659 660 661 662 663 |
$len = length($blk); $line++; last; } # Bail if there is no further context. #warn "CSB: blk<$blk> off<$off> len<$len> "; |
13214adf7 update checkpatch... |
664 |
if ($off >= $len) { |
8905a67c6 update checkpatch... |
665 666 667 |
last; } } |
cf655043d update checkpatch... |
668 |
$p = $c; |
8905a67c6 update checkpatch... |
669 |
$c = substr($blk, $off, 1); |
13214adf7 update checkpatch... |
670 |
$remainder = substr($blk, $off); |
8905a67c6 update checkpatch... |
671 |
|
773647a09 update checkpatch... |
672 673 |
#warn "CSB: c<$c> type<$type> level<$level> remainder<$remainder> coff_set<$coff_set> "; |
4635f4fba checkpatch: track... |
674 675 676 677 678 679 680 681 682 |
# Handle nested #if/#else. if ($remainder =~ /^#\s*(?:ifndef|ifdef|if)\s/) { push(@stack, [ $type, $level ]); } elsif ($remainder =~ /^#\s*(?:else|elif)\b/) { ($type, $level) = @{$stack[$#stack - 1]}; } elsif ($remainder =~ /^#\s*endif\b/) { ($type, $level) = @{pop(@stack)}; } |
8905a67c6 update checkpatch... |
683 684 685 686 687 |
# Statement ends at the ';' or a close '}' at the # outermost level. if ($level == 0 && $c eq ';') { last; } |
13214adf7 update checkpatch... |
688 |
# An else is really a conditional as long as its not else if |
773647a09 update checkpatch... |
689 690 691 692 693 694 695 696 697 698 |
if ($level == 0 && $coff_set == 0 && (!defined($p) || $p =~ /(?:\s|\}|\+)/) && $remainder =~ /^(else)(?:\s|{)/ && $remainder !~ /^else\s+if\b/) { $coff = $off + length($1) - 1; $coff_set = 1; #warn "CSB: mark coff<$coff> soff<$soff> 1<$1> "; #warn "[" . substr($blk, $soff, $coff - $soff + 1) . "] "; |
13214adf7 update checkpatch... |
699 |
} |
8905a67c6 update checkpatch... |
700 701 702 703 704 705 706 707 708 709 |
if (($type eq '' || $type eq '(') && $c eq '(') { $level++; $type = '('; } if ($type eq '(' && $c eq ')') { $level--; $type = ($level != 0)? '(' : ''; if ($level == 0 && $coff < $soff) { $coff = $off; |
773647a09 update checkpatch... |
710 711 712 |
$coff_set = 1; #warn "CSB: mark coff<$coff> "; |
8905a67c6 update checkpatch... |
713 714 715 716 717 718 719 720 721 722 723 |
} } if (($type eq '' || $type eq '{') && $c eq '{') { $level++; $type = '{'; } if ($type eq '{' && $c eq '}') { $level--; $type = ($level != 0)? '{' : ''; if ($level == 0) { |
b998e001e checkpatch: fix e... |
724 725 726 |
if (substr($blk, $off + 1, 1) eq ';') { $off++; } |
8905a67c6 update checkpatch... |
727 728 729 730 731 |
last; } } $off++; } |
a3bb97a7a checkpatch: macro... |
732 |
# We are truly at the end, so shuffle to the next line. |
13214adf7 update checkpatch... |
733 |
if ($off == $len) { |
a3bb97a7a checkpatch: macro... |
734 |
$loff = $len + 1; |
13214adf7 update checkpatch... |
735 736 737 |
$line++; $remain--; } |
8905a67c6 update checkpatch... |
738 739 740 741 742 743 744 745 |
my $statement = substr($blk, $soff, $off - $soff + 1); my $condition = substr($blk, $soff, $coff - $soff + 1); #warn "STATEMENT<$statement> "; #warn "CONDITION<$condition> "; |
773647a09 update checkpatch... |
746 747 |
#print "coff<$coff> soff<$off> loff<$loff> "; |
13214adf7 update checkpatch... |
748 749 750 751 |
return ($statement, $condition, $line, $remain + 1, $off - $loff + 1, $level); } |
cf655043d update checkpatch... |
752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 |
sub statement_lines { my ($stmt) = @_; # Strip the diff line prefixes and rip blank lines at start and end. $stmt =~ s/(^| )./$1/g; $stmt =~ s/^\s*//; $stmt =~ s/\s*$//; my @stmt_lines = ($stmt =~ / /g); return $#stmt_lines + 2; } sub statement_rawlines { my ($stmt) = @_; my @stmt_lines = ($stmt =~ / /g); return $#stmt_lines + 2; } sub statement_block_size { my ($stmt) = @_; $stmt =~ s/(^| )./$1/g; $stmt =~ s/^\s*{//; $stmt =~ s/}\s*$//; $stmt =~ s/^\s*//; $stmt =~ s/\s*$//; my @stmt_lines = ($stmt =~ / /g); my @stmt_statements = ($stmt =~ /;/g); my $stmt_lines = $#stmt_lines + 2; my $stmt_statements = $#stmt_statements + 1; if ($stmt_lines > $stmt_statements) { return $stmt_lines; } else { return $stmt_statements; } } |
13214adf7 update checkpatch... |
799 800 801 802 803 |
sub ctx_statement_full { my ($linenr, $remain, $off) = @_; my ($statement, $condition, $level); my (@chunks); |
cf655043d update checkpatch... |
804 |
# Grab the first conditional/block pair. |
13214adf7 update checkpatch... |
805 806 |
($statement, $condition, $linenr, $remain, $off, $level) = ctx_statement_block($linenr, $remain, $off); |
773647a09 update checkpatch... |
807 808 |
#print "F: c<$condition> s<$statement> remain<$remain> "; |
cf655043d update checkpatch... |
809 810 811 812 813 814 815 816 |
push(@chunks, [ $condition, $statement ]); if (!($remain > 0 && $condition =~ /^\s*(?: [+-])?\s*(?:if|else|do)\b/s)) { return ($level, $linenr, @chunks); } # Pull in the following conditional/block pairs and see if they # could continue the statement. |
13214adf7 update checkpatch... |
817 |
for (;;) { |
13214adf7 update checkpatch... |
818 819 |
($statement, $condition, $linenr, $remain, $off, $level) = ctx_statement_block($linenr, $remain, $off); |
cf655043d update checkpatch... |
820 821 |
#print "C: c<$condition> s<$statement> remain<$remain> "; |
773647a09 update checkpatch... |
822 823 |
last if (!($remain > 0 && $condition =~ /^(?:\s* [+-])*\s*(?:else|do)\b/s)); |
cf655043d update checkpatch... |
824 825 826 |
#print "C: push "; push(@chunks, [ $condition, $statement ]); |
13214adf7 update checkpatch... |
827 828 829 |
} return ($level, $linenr, @chunks); |
8905a67c6 update checkpatch... |
830 |
} |
4a0df2ef4 update checkpatch... |
831 |
sub ctx_block_get { |
f0a594c1c update checkpatch... |
832 |
my ($linenr, $remain, $outer, $open, $close, $off) = @_; |
4a0df2ef4 update checkpatch... |
833 834 |
my $line; my $start = $linenr - 1; |
4a0df2ef4 update checkpatch... |
835 836 837 838 |
my $blk = ''; my @o; my @c; my @res = (); |
f0a594c1c update checkpatch... |
839 |
my $level = 0; |
4635f4fba checkpatch: track... |
840 |
my @stack = ($level); |
00df344fd update checkpatch... |
841 842 843 844 845 |
for ($line = $start; $remain > 0; $line++) { next if ($rawlines[$line] =~ /^-/); $remain--; $blk .= $rawlines[$line]; |
4635f4fba checkpatch: track... |
846 847 |
# Handle nested #if/#else. |
01464f30a checkpatch: state... |
848 |
if ($lines[$line] =~ /^.\s*#\s*(?:ifndef|ifdef|if)\s/) { |
4635f4fba checkpatch: track... |
849 |
push(@stack, $level); |
01464f30a checkpatch: state... |
850 |
} elsif ($lines[$line] =~ /^.\s*#\s*(?:else|elif)\b/) { |
4635f4fba checkpatch: track... |
851 |
$level = $stack[$#stack - 1]; |
01464f30a checkpatch: state... |
852 |
} elsif ($lines[$line] =~ /^.\s*#\s*endif\b/) { |
4635f4fba checkpatch: track... |
853 854 |
$level = pop(@stack); } |
01464f30a checkpatch: state... |
855 |
foreach my $c (split(//, $lines[$line])) { |
f0a594c1c update checkpatch... |
856 857 858 859 860 861 |
##print "C<$c>L<$level><$open$close>O<$off> "; if ($off > 0) { $off--; next; } |
4a0df2ef4 update checkpatch... |
862 |
|
f0a594c1c update checkpatch... |
863 864 865 866 867 868 869 |
if ($c eq $close && $level > 0) { $level--; last if ($level == 0); } elsif ($c eq $open) { $level++; } } |
4a0df2ef4 update checkpatch... |
870 |
|
f0a594c1c update checkpatch... |
871 |
if (!$outer || $level <= 1) { |
00df344fd update checkpatch... |
872 |
push(@res, $rawlines[$line]); |
4a0df2ef4 update checkpatch... |
873 |
} |
f0a594c1c update checkpatch... |
874 |
last if ($level == 0); |
4a0df2ef4 update checkpatch... |
875 |
} |
f0a594c1c update checkpatch... |
876 |
return ($level, @res); |
4a0df2ef4 update checkpatch... |
877 878 879 |
} sub ctx_block_outer { my ($linenr, $remain) = @_; |
f0a594c1c update checkpatch... |
880 881 |
my ($level, @r) = ctx_block_get($linenr, $remain, 1, '{', '}', 0); return @r; |
4a0df2ef4 update checkpatch... |
882 883 884 |
} sub ctx_block { my ($linenr, $remain) = @_; |
f0a594c1c update checkpatch... |
885 886 |
my ($level, @r) = ctx_block_get($linenr, $remain, 0, '{', '}', 0); return @r; |
653d4876b update checkpatch... |
887 888 |
} sub ctx_statement { |
f0a594c1c update checkpatch... |
889 890 891 892 893 894 |
my ($linenr, $remain, $off) = @_; my ($level, @r) = ctx_block_get($linenr, $remain, 0, '(', ')', $off); return @r; } sub ctx_block_level { |
653d4876b update checkpatch... |
895 |
my ($linenr, $remain) = @_; |
f0a594c1c update checkpatch... |
896 |
return ctx_block_get($linenr, $remain, 0, '{', '}', 0); |
4a0df2ef4 update checkpatch... |
897 |
} |
9c0ca6f9a update checkpatch... |
898 899 900 901 902 |
sub ctx_statement_level { my ($linenr, $remain, $off) = @_; return ctx_block_get($linenr, $remain, 0, '(', ')', $off); } |
4a0df2ef4 update checkpatch... |
903 904 905 906 907 |
sub ctx_locate_comment { my ($first_line, $end_line) = @_; # Catch a comment on the end of the line itself. |
beae63324 checkpatch: comme... |
908 |
my ($current_comment) = ($rawlines[$end_line - 1] =~ m@.*(/\*.*\*/)\s*(?:\\\s*)?$@); |
4a0df2ef4 update checkpatch... |
909 910 911 912 913 914 915 |
return $current_comment if (defined $current_comment); # Look through the context and try and figure out if there is a # comment. my $in_comment = 0; $current_comment = ''; for (my $linenr = $first_line; $linenr < $end_line; $linenr++) { |
00df344fd update checkpatch... |
916 917 918 |
my $line = $rawlines[$linenr - 1]; #warn " $line "; |
4a0df2ef4 update checkpatch... |
919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 |
if ($linenr == $first_line and $line =~ m@^.\s*\*@) { $in_comment = 1; } if ($line =~ m@/\*@) { $in_comment = 1; } if (!$in_comment && $current_comment ne '') { $current_comment = ''; } $current_comment .= $line . " " if ($in_comment); if ($line =~ m@\*/@) { $in_comment = 0; } } chomp($current_comment); return($current_comment); } sub ctx_has_comment { my ($first_line, $end_line) = @_; my $cmt = ctx_locate_comment($first_line, $end_line); |
00df344fd update checkpatch... |
941 942 |
##print "LINE: $rawlines[$end_line - 1 ] "; |
4a0df2ef4 update checkpatch... |
943 944 945 946 947 |
##print "CMMT: $cmt "; return ($cmt ne ''); } |
4d001e4d8 checkpatch: repor... |
948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 |
sub raw_line { my ($linenr, $cnt) = @_; my $offset = $linenr - 1; $cnt++; my $line; while ($cnt) { $line = $rawlines[$offset++]; next if (defined($line) && $line =~ /^-/); $cnt--; } return $line; } |
6c72ffaab update checkpatch... |
963 964 965 |
sub cat_vet { my ($vet) = @_; my ($res, $coded); |
9c0ca6f9a update checkpatch... |
966 |
|
6c72ffaab update checkpatch... |
967 968 969 970 971 972 |
$res = ''; while ($vet =~ /([^[:cntrl:]]*)([[:cntrl:]]|$)/g) { $res .= $1; if ($2 ne '') { $coded = sprintf("^%c", unpack('C', $2) + 64); $res .= $coded; |
9c0ca6f9a update checkpatch... |
973 974 |
} } |
6c72ffaab update checkpatch... |
975 |
$res =~ s/$/\$/; |
9c0ca6f9a update checkpatch... |
976 |
|
6c72ffaab update checkpatch... |
977 |
return $res; |
9c0ca6f9a update checkpatch... |
978 |
} |
c2fdda0df update checkpatch... |
979 |
my $av_preprocessor = 0; |
cf655043d update checkpatch... |
980 |
my $av_pending; |
c2fdda0df update checkpatch... |
981 |
my @av_paren_type; |
1f65f947a checkpatch: add c... |
982 |
my $av_pend_colon; |
c2fdda0df update checkpatch... |
983 984 985 |
sub annotate_reset { $av_preprocessor = 0; |
cf655043d update checkpatch... |
986 987 |
$av_pending = '_'; @av_paren_type = ('E'); |
1f65f947a checkpatch: add c... |
988 |
$av_pend_colon = 'O'; |
c2fdda0df update checkpatch... |
989 |
} |
6c72ffaab update checkpatch... |
990 991 |
sub annotate_values { my ($stream, $type) = @_; |
0a920b5b6 add a trivial pat... |
992 |
|
6c72ffaab update checkpatch... |
993 |
my $res; |
1f65f947a checkpatch: add c... |
994 |
my $var = '_' x length($stream); |
6c72ffaab update checkpatch... |
995 |
my $cur = $stream; |
c2fdda0df update checkpatch... |
996 997 |
print "$stream " if ($dbg_values > 1); |
6c72ffaab update checkpatch... |
998 |
|
6c72ffaab update checkpatch... |
999 |
while (length($cur)) { |
773647a09 update checkpatch... |
1000 |
@av_paren_type = ('E') if ($#av_paren_type < 0); |
cf655043d update checkpatch... |
1001 |
print " <" . join('', @av_paren_type) . |
171ae1a49 update checkpatch... |
1002 |
"> <$type> <$av_pending>" if ($dbg_values > 1); |
6c72ffaab update checkpatch... |
1003 |
if ($cur =~ /^(\s+)/o) { |
c2fdda0df update checkpatch... |
1004 1005 1006 1007 |
print "WS($1) " if ($dbg_values > 1); if ($1 =~ / / && $av_preprocessor) { |
cf655043d update checkpatch... |
1008 |
$type = pop(@av_paren_type); |
c2fdda0df update checkpatch... |
1009 |
$av_preprocessor = 0; |
6c72ffaab update checkpatch... |
1010 |
} |
c023e4734 checkpatch.pl: fi... |
1011 |
} elsif ($cur =~ /^(\(\s*$Type\s*)\)/ && $av_pending eq '_') { |
9446ef569 checkpatch: handl... |
1012 1013 1014 1015 |
print "CAST($1) " if ($dbg_values > 1); push(@av_paren_type, $type); $type = 'C'; |
e91b6e263 checkpatch: types... |
1016 |
} elsif ($cur =~ /^($Type)\s*(?:$Ident|,|\)|\(|\s*$)/) { |
c2fdda0df update checkpatch... |
1017 1018 |
print "DECLARE($1) " if ($dbg_values > 1); |
6c72ffaab update checkpatch... |
1019 |
$type = 'T'; |
389a2fe57 checkpatch: allow... |
1020 1021 1022 1023 |
} elsif ($cur =~ /^($Modifier)\s*/) { print "MODIFIER($1) " if ($dbg_values > 1); $type = 'T'; |
c45dcabd2 update checkpatch... |
1024 |
} elsif ($cur =~ /^(\#\s*define\s*$Ident)(\(?)/o) { |
171ae1a49 update checkpatch... |
1025 1026 |
print "DEFINE($1,$2) " if ($dbg_values > 1); |
c2fdda0df update checkpatch... |
1027 |
$av_preprocessor = 1; |
171ae1a49 update checkpatch... |
1028 1029 1030 1031 1032 |
push(@av_paren_type, $type); if ($2 ne '') { $av_pending = 'N'; } $type = 'E'; |
c45dcabd2 update checkpatch... |
1033 |
} elsif ($cur =~ /^(\#\s*(?:undef\s*$Ident|include\b))/o) { |
171ae1a49 update checkpatch... |
1034 1035 1036 1037 |
print "UNDEF($1) " if ($dbg_values > 1); $av_preprocessor = 1; push(@av_paren_type, $type); |
6c72ffaab update checkpatch... |
1038 |
|
c45dcabd2 update checkpatch... |
1039 |
} elsif ($cur =~ /^(\#\s*(?:ifdef|ifndef|if))/o) { |
cf655043d update checkpatch... |
1040 1041 |
print "PRE_START($1) " if ($dbg_values > 1); |
c2fdda0df update checkpatch... |
1042 |
$av_preprocessor = 1; |
cf655043d update checkpatch... |
1043 1044 1045 |
push(@av_paren_type, $type); push(@av_paren_type, $type); |
171ae1a49 update checkpatch... |
1046 |
$type = 'E'; |
cf655043d update checkpatch... |
1047 |
|
c45dcabd2 update checkpatch... |
1048 |
} elsif ($cur =~ /^(\#\s*(?:else|elif))/o) { |
cf655043d update checkpatch... |
1049 1050 1051 1052 1053 |
print "PRE_RESTART($1) " if ($dbg_values > 1); $av_preprocessor = 1; push(@av_paren_type, $av_paren_type[$#av_paren_type]); |
171ae1a49 update checkpatch... |
1054 |
$type = 'E'; |
cf655043d update checkpatch... |
1055 |
|
c45dcabd2 update checkpatch... |
1056 |
} elsif ($cur =~ /^(\#\s*(?:endif))/o) { |
cf655043d update checkpatch... |
1057 1058 1059 1060 1061 1062 1063 1064 1065 |
print "PRE_END($1) " if ($dbg_values > 1); $av_preprocessor = 1; # Assume all arms of the conditional end as this # one does, and continue as if the #endif was not here. pop(@av_paren_type); push(@av_paren_type, $type); |
171ae1a49 update checkpatch... |
1066 |
$type = 'E'; |
6c72ffaab update checkpatch... |
1067 1068 1069 |
} elsif ($cur =~ /^(\\ )/o) { |
c2fdda0df update checkpatch... |
1070 1071 |
print "PRECONT($1) " if ($dbg_values > 1); |
6c72ffaab update checkpatch... |
1072 |
|
171ae1a49 update checkpatch... |
1073 1074 1075 1076 1077 |
} elsif ($cur =~ /^(__attribute__)\s*\(?/o) { print "ATTR($1) " if ($dbg_values > 1); $av_pending = $type; $type = 'N'; |
6c72ffaab update checkpatch... |
1078 |
} elsif ($cur =~ /^(sizeof)\s*(\()?/o) { |
c2fdda0df update checkpatch... |
1079 1080 |
print "SIZEOF($1) " if ($dbg_values > 1); |
6c72ffaab update checkpatch... |
1081 |
if (defined $2) { |
cf655043d update checkpatch... |
1082 |
$av_pending = 'V'; |
6c72ffaab update checkpatch... |
1083 1084 |
} $type = 'N'; |
14b111c15 checkpatch: condi... |
1085 |
} elsif ($cur =~ /^(if|while|for)\b/o) { |
c2fdda0df update checkpatch... |
1086 1087 |
print "COND($1) " if ($dbg_values > 1); |
14b111c15 checkpatch: condi... |
1088 |
$av_pending = 'E'; |
6c72ffaab update checkpatch... |
1089 |
$type = 'N'; |
1f65f947a checkpatch: add c... |
1090 1091 1092 1093 1094 |
} elsif ($cur =~/^(case)/o) { print "CASE($1) " if ($dbg_values > 1); $av_pend_colon = 'C'; $type = 'N'; |
14b111c15 checkpatch: condi... |
1095 |
} elsif ($cur =~/^(return|else|goto|typeof|__typeof__)\b/o) { |
c2fdda0df update checkpatch... |
1096 1097 |
print "KEYWORD($1) " if ($dbg_values > 1); |
6c72ffaab update checkpatch... |
1098 1099 1100 |
$type = 'N'; } elsif ($cur =~ /^(\()/o) { |
c2fdda0df update checkpatch... |
1101 1102 |
print "PAREN('$1') " if ($dbg_values > 1); |
cf655043d update checkpatch... |
1103 1104 |
push(@av_paren_type, $av_pending); $av_pending = '_'; |
6c72ffaab update checkpatch... |
1105 1106 1107 |
$type = 'N'; } elsif ($cur =~ /^(\))/o) { |
cf655043d update checkpatch... |
1108 1109 1110 |
my $new_type = pop(@av_paren_type); if ($new_type ne '_') { $type = $new_type; |
c2fdda0df update checkpatch... |
1111 1112 1113 |
print "PAREN('$1') -> $type " if ($dbg_values > 1); |
6c72ffaab update checkpatch... |
1114 |
} else { |
c2fdda0df update checkpatch... |
1115 1116 |
print "PAREN('$1') " if ($dbg_values > 1); |
6c72ffaab update checkpatch... |
1117 |
} |
c8cb2ca37 checkpatch: types... |
1118 |
} elsif ($cur =~ /^($Ident)\s*\(/o) { |
c2fdda0df update checkpatch... |
1119 1120 |
print "FUNC($1) " if ($dbg_values > 1); |
c8cb2ca37 checkpatch: types... |
1121 |
$type = 'V'; |
cf655043d update checkpatch... |
1122 |
$av_pending = 'V'; |
6c72ffaab update checkpatch... |
1123 |
|
8e761b04a checkpatch: detec... |
1124 1125 |
} elsif ($cur =~ /^($Ident\s*):(?:\s*\d+\s*(,|=|;))?/) { if (defined $2 && $type eq 'C' || $type eq 'T') { |
1f65f947a checkpatch: add c... |
1126 |
$av_pend_colon = 'B'; |
8e761b04a checkpatch: detec... |
1127 1128 |
} elsif ($type eq 'E') { $av_pend_colon = 'L'; |
1f65f947a checkpatch: add c... |
1129 1130 1131 1132 |
} print "IDENT_COLON($1,$type>$av_pend_colon) " if ($dbg_values > 1); $type = 'V'; |
6c72ffaab update checkpatch... |
1133 |
} elsif ($cur =~ /^($Ident|$Constant)/o) { |
c2fdda0df update checkpatch... |
1134 1135 |
print "IDENT($1) " if ($dbg_values > 1); |
6c72ffaab update checkpatch... |
1136 1137 1138 |
$type = 'V'; } elsif ($cur =~ /^($Assignment)/o) { |
c2fdda0df update checkpatch... |
1139 1140 |
print "ASSIGN($1) " if ($dbg_values > 1); |
6c72ffaab update checkpatch... |
1141 |
$type = 'N'; |
cf655043d update checkpatch... |
1142 |
} elsif ($cur =~/^(;|{|})/) { |
c2fdda0df update checkpatch... |
1143 1144 |
print "END($1) " if ($dbg_values > 1); |
13214adf7 update checkpatch... |
1145 |
$type = 'E'; |
1f65f947a checkpatch: add c... |
1146 |
$av_pend_colon = 'O'; |
8e761b04a checkpatch: detec... |
1147 1148 1149 1150 |
} elsif ($cur =~/^(,)/) { print "COMMA($1) " if ($dbg_values > 1); $type = 'C'; |
1f65f947a checkpatch: add c... |
1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 |
} elsif ($cur =~ /^(\?)/o) { print "QUESTION($1) " if ($dbg_values > 1); $type = 'N'; } elsif ($cur =~ /^(:)/o) { print "COLON($1,$av_pend_colon) " if ($dbg_values > 1); substr($var, length($res), 1, $av_pend_colon); if ($av_pend_colon eq 'C' || $av_pend_colon eq 'L') { $type = 'E'; } else { $type = 'N'; } $av_pend_colon = 'O'; |
13214adf7 update checkpatch... |
1167 |
|
8e761b04a checkpatch: detec... |
1168 |
} elsif ($cur =~ /^(\[)/o) { |
13214adf7 update checkpatch... |
1169 1170 |
print "CLOSE($1) " if ($dbg_values > 1); |
6c72ffaab update checkpatch... |
1171 |
$type = 'N'; |
0d413866c checkpatch: value... |
1172 |
} elsif ($cur =~ /^(-(?![->])|\+(?!\+)|\*|\&\&|\&)/o) { |
74048ed81 checkpatch: varia... |
1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 |
my $variant; print "OPV($1) " if ($dbg_values > 1); if ($type eq 'V') { $variant = 'B'; } else { $variant = 'U'; } substr($var, length($res), 1, $variant); $type = 'N'; |
6c72ffaab update checkpatch... |
1185 |
} elsif ($cur =~ /^($Operators)/o) { |
c2fdda0df update checkpatch... |
1186 1187 |
print "OP($1) " if ($dbg_values > 1); |
6c72ffaab update checkpatch... |
1188 1189 1190 1191 1192 |
if ($1 ne '++' && $1 ne '--') { $type = 'N'; } } elsif ($cur =~ /(^.)/o) { |
c2fdda0df update checkpatch... |
1193 1194 |
print "C($1) " if ($dbg_values > 1); |
6c72ffaab update checkpatch... |
1195 1196 1197 1198 1199 |
} if (defined $1) { $cur = substr($cur, length($1)); $res .= $type x length($1); } |
9c0ca6f9a update checkpatch... |
1200 |
} |
0a920b5b6 add a trivial pat... |
1201 |
|
1f65f947a checkpatch: add c... |
1202 |
return ($res, $var); |
0a920b5b6 add a trivial pat... |
1203 |
} |
8905a67c6 update checkpatch... |
1204 |
sub possible { |
13214adf7 update checkpatch... |
1205 |
my ($possible, $line) = @_; |
9a974fdbe checkpatch: possi... |
1206 |
my $notPermitted = qr{(?: |
0776e5946 checkpatch: do is... |
1207 1208 1209 1210 |
^(?: $Modifier| $Storage| $Type| |
9a974fdbe checkpatch: possi... |
1211 1212 1213 |
DEFINE_\S+ )$| ^(?: |
0776e5946 checkpatch: do is... |
1214 1215 1216 1217 1218 1219 |
goto| return| case| else| asm|__asm__| do |
9a974fdbe checkpatch: possi... |
1220 |
)(?:\s|$)| |
0776e5946 checkpatch: do is... |
1221 |
^(?:typedef|struct|enum)\b |
9a974fdbe checkpatch: possi... |
1222 1223 1224 1225 |
)}x; warn "CHECK<$possible> ($line) " if ($dbg_possible > 2); if ($possible !~ $notPermitted) { |
c45dcabd2 update checkpatch... |
1226 1227 1228 1229 1230 1231 1232 |
# Check for modifiers. $possible =~ s/\s*$Storage\s*//g; $possible =~ s/\s*$Sparse\s*//g; if ($possible =~ /^\s*$/) { } elsif ($possible =~ /\s/) { $possible =~ s/\s*$Type\s*//g; |
d25065865 checkpatch: possi... |
1233 |
for my $modifier (split(' ', $possible)) { |
9a974fdbe checkpatch: possi... |
1234 1235 1236 1237 1238 |
if ($modifier !~ $notPermitted) { warn "MODIFIER: $modifier ($possible) ($line) " if ($dbg_possible); push(@modifierList, $modifier); } |
d25065865 checkpatch: possi... |
1239 |
} |
c45dcabd2 update checkpatch... |
1240 1241 1242 1243 1244 1245 |
} else { warn "POSSIBLE: $possible ($line) " if ($dbg_possible); push(@typeList, $possible); } |
8905a67c6 update checkpatch... |
1246 |
build_types(); |
0776e5946 checkpatch: do is... |
1247 1248 1249 |
} else { warn "NOTPOSS: $possible ($line) " if ($dbg_possible > 1); |
8905a67c6 update checkpatch... |
1250 1251 |
} } |
6c72ffaab update checkpatch... |
1252 |
my $prefix = ''; |
000d1cc18 checkpatch.pl: ad... |
1253 1254 1255 |
sub show_type { return !defined $ignore_type{$_[0]}; } |
f0a594c1c update checkpatch... |
1256 |
sub report { |
000d1cc18 checkpatch.pl: ad... |
1257 1258 |
if (!show_type($_[1]) || (defined $tst_only && $_[2] !~ /\Q$tst_only\E/)) { |
773647a09 update checkpatch... |
1259 1260 |
return 0; } |
000d1cc18 checkpatch.pl: ad... |
1261 1262 1263 1264 1265 1266 1267 1268 |
my $line; if ($show_types) { $line = "$prefix$_[0]:$_[1]: $_[2] "; } else { $line = "$prefix$_[0]: $_[2] "; } |
8905a67c6 update checkpatch... |
1269 1270 1271 |
$line = (split(' ', $line))[0] . " " if ($terse); |
13214adf7 update checkpatch... |
1272 |
push(our @report, $line); |
773647a09 update checkpatch... |
1273 1274 |
return 1; |
f0a594c1c update checkpatch... |
1275 1276 |
} sub report_dump { |
13214adf7 update checkpatch... |
1277 |
our @report; |
f0a594c1c update checkpatch... |
1278 |
} |
000d1cc18 checkpatch.pl: ad... |
1279 |
|
de7d4f0e1 update checkpatch... |
1280 |
sub ERROR { |
000d1cc18 checkpatch.pl: ad... |
1281 |
if (report("ERROR", $_[0], $_[1])) { |
773647a09 update checkpatch... |
1282 1283 1284 |
our $clean = 0; our $cnt_error++; } |
de7d4f0e1 update checkpatch... |
1285 1286 |
} sub WARN { |
000d1cc18 checkpatch.pl: ad... |
1287 |
if (report("WARNING", $_[0], $_[1])) { |
773647a09 update checkpatch... |
1288 1289 1290 |
our $clean = 0; our $cnt_warn++; } |
de7d4f0e1 update checkpatch... |
1291 1292 |
} sub CHK { |
000d1cc18 checkpatch.pl: ad... |
1293 |
if ($check && report("CHECK", $_[0], $_[1])) { |
6c72ffaab update checkpatch... |
1294 1295 1296 |
our $clean = 0; our $cnt_chk++; } |
de7d4f0e1 update checkpatch... |
1297 |
} |
6ecd96744 checkpatch: repor... |
1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 |
sub check_absolute_file { my ($absolute, $herecurr) = @_; my $file = $absolute; ##print "absolute<$absolute> "; # See if any suffix of this path is a path within the tree. while ($file =~ s@^[^/]*/@@) { if (-f "$root/$file") { ##print "file<$file> "; last; } } if (! -f _) { return 0; } # It is, so see if the prefix is acceptable. my $prefix = $absolute; substr($prefix, -length($file)) = ''; ##print "prefix<$prefix> "; if ($prefix ne ".../") { |
000d1cc18 checkpatch.pl: ad... |
1324 1325 1326 |
WARN("USE_RELATIVE_PATH", "use relative pathname instead of absolute in changelog text " . $herecurr); |
6ecd96744 checkpatch: repor... |
1327 1328 |
} } |
0a920b5b6 add a trivial pat... |
1329 1330 |
sub process { my $filename = shift; |
0a920b5b6 add a trivial pat... |
1331 1332 1333 |
my $linenr=0; my $prevline=""; |
c2fdda0df update checkpatch... |
1334 |
my $prevrawline=""; |
0a920b5b6 add a trivial pat... |
1335 |
my $stashline=""; |
c2fdda0df update checkpatch... |
1336 |
my $stashrawline=""; |
0a920b5b6 add a trivial pat... |
1337 |
|
4a0df2ef4 update checkpatch... |
1338 |
my $length; |
0a920b5b6 add a trivial pat... |
1339 1340 1341 |
my $indent; my $previndent=0; my $stashindent=0; |
de7d4f0e1 update checkpatch... |
1342 |
our $clean = 1; |
0a920b5b6 add a trivial pat... |
1343 1344 |
my $signoff = 0; my $is_patch = 0; |
15662b3e8 checkpatch: add a... |
1345 1346 |
my $in_header_lines = 1; my $in_commit_log = 0; #Scanning lines before patch |
13214adf7 update checkpatch... |
1347 |
our @report = (); |
6c72ffaab update checkpatch... |
1348 1349 1350 1351 |
our $cnt_lines = 0; our $cnt_error = 0; our $cnt_warn = 0; our $cnt_chk = 0; |
0a920b5b6 add a trivial pat... |
1352 1353 1354 1355 1356 1357 |
# Trace the real file/line as we go. my $realfile = ''; my $realline = 0; my $realcnt = 0; my $here = ''; my $in_comment = 0; |
c2fdda0df update checkpatch... |
1358 |
my $comment_edge = 0; |
0a920b5b6 add a trivial pat... |
1359 |
my $first_line = 0; |
1e8557269 checkpatch: Add w... |
1360 |
my $p1_prefix = ''; |
0a920b5b6 add a trivial pat... |
1361 |
|
13214adf7 update checkpatch... |
1362 1363 1364 |
my $prev_values = 'E'; # suppression flags |
773647a09 update checkpatch... |
1365 |
my %suppress_ifbraces; |
170d3a226 checkpatch: handl... |
1366 |
my %suppress_whiletrailers; |
2b474a1a5 checkpatch: fix f... |
1367 |
my %suppress_export; |
653d4876b update checkpatch... |
1368 |
|
c2fdda0df update checkpatch... |
1369 |
# Pre-scan the patch sanitizing the lines. |
de7d4f0e1 update checkpatch... |
1370 |
# Pre-scan the patch looking for any __setup documentation. |
c2fdda0df update checkpatch... |
1371 |
# |
de7d4f0e1 update checkpatch... |
1372 1373 |
my @setup_docs = (); my $setup_docs = 0; |
773647a09 update checkpatch... |
1374 1375 |
sanitise_line_reset(); |
c2fdda0df update checkpatch... |
1376 1377 |
my $line; foreach my $rawline (@rawlines) { |
773647a09 update checkpatch... |
1378 1379 |
$linenr++; $line = $rawline; |
c2fdda0df update checkpatch... |
1380 |
|
773647a09 update checkpatch... |
1381 |
if ($rawline=~/^\+\+\+\s+(\S+)/) { |
de7d4f0e1 update checkpatch... |
1382 1383 1384 1385 |
$setup_docs = 0; if ($1 =~ m@Documentation/kernel-parameters.txt$@) { $setup_docs = 1; } |
773647a09 update checkpatch... |
1386 1387 1388 1389 1390 1391 1392 1393 1394 |
#next; } if ($rawline=~/^\@\@ -\d+(?:,\d+)? \+(\d+)(,(\d+))? \@\@/) { $realline=$1-1; if (defined $2) { $realcnt=$3+1; } else { $realcnt=1+1; } |
c45dcabd2 update checkpatch... |
1395 |
$in_comment = 0; |
773647a09 update checkpatch... |
1396 1397 1398 1399 1400 1401 |
# Guestimate if this is a continuing comment. Run # the context looking for a comment "edge". If this # edge is a close comment then we must be in a comment # at context start. my $edge; |
01fa91471 checkpatch: fix u... |
1402 1403 1404 1405 1406 1407 1408 |
my $cnt = $realcnt; for (my $ln = $linenr + 1; $cnt > 0; $ln++) { next if (defined $rawlines[$ln - 1] && $rawlines[$ln - 1] =~ /^-/); $cnt--; #print "RAW<$rawlines[$ln - 1]> "; |
721c1cb60 checkpatch: comme... |
1409 |
last if (!defined $rawlines[$ln - 1]); |
fae17daed checkpatch: comme... |
1410 1411 1412 1413 1414 |
if ($rawlines[$ln - 1] =~ m@(/\*|\*/)@ && $rawlines[$ln - 1] !~ m@"[^"]*(?:/\*|\*/)[^"]*"@) { ($edge) = $1; last; } |
773647a09 update checkpatch... |
1415 1416 1417 1418 1419 1420 1421 1422 1423 |
} if (defined $edge && $edge eq '*/') { $in_comment = 1; } # Guestimate if this is a continuing comment. If this # is the start of a diff block and this line starts # ' *' then it is very likely a comment. if (!defined $edge && |
83242e0c2 checkpatch: widen... |
1424 |
$rawlines[$linenr] =~ m@^.\s*(?:\*\*+| \*)(?:\s|$)@) |
773647a09 update checkpatch... |
1425 1426 1427 1428 1429 1430 1431 |
{ $in_comment = 1; } ##print "COMMENT:$in_comment edge<$edge> $rawline "; sanitise_line_reset($in_comment); |
171ae1a49 update checkpatch... |
1432 |
} elsif ($realcnt && $rawline =~ /^(?:\+| |$)/) { |
773647a09 update checkpatch... |
1433 |
# Standardise the strings and chars within the input to |
171ae1a49 update checkpatch... |
1434 |
# simplify matching -- only bother with positive lines. |
773647a09 update checkpatch... |
1435 |
$line = sanitise_line($rawline); |
de7d4f0e1 update checkpatch... |
1436 |
} |
773647a09 update checkpatch... |
1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 |
push(@lines, $line); if ($realcnt > 1) { $realcnt-- if ($line =~ /^(?:\+| |$)/); } else { $realcnt = 0; } #print "==>$rawline "; #print "-->$line "; |
de7d4f0e1 update checkpatch... |
1449 1450 1451 1452 1453 |
if ($setup_docs && $line =~ /^\+/) { push(@setup_docs, $line); } } |
6c72ffaab update checkpatch... |
1454 |
$prefix = ''; |
773647a09 update checkpatch... |
1455 1456 |
$realcnt = 0; $linenr = 0; |
0a920b5b6 add a trivial pat... |
1457 1458 |
foreach my $line (@lines) { $linenr++; |
c2fdda0df update checkpatch... |
1459 |
my $rawline = $rawlines[$linenr - 1]; |
6c72ffaab update checkpatch... |
1460 |
|
0a920b5b6 add a trivial pat... |
1461 |
#extract the line range in the file after the patch is applied |
6c72ffaab update checkpatch... |
1462 |
if ($line=~/^\@\@ -\d+(?:,\d+)? \+(\d+)(,(\d+))? \@\@/) { |
0a920b5b6 add a trivial pat... |
1463 |
$is_patch = 1; |
4a0df2ef4 update checkpatch... |
1464 |
$first_line = $linenr + 1; |
0a920b5b6 add a trivial pat... |
1465 1466 1467 1468 1469 1470 |
$realline=$1-1; if (defined $2) { $realcnt=$3+1; } else { $realcnt=1+1; } |
c2fdda0df update checkpatch... |
1471 |
annotate_reset(); |
13214adf7 update checkpatch... |
1472 |
$prev_values = 'E'; |
773647a09 update checkpatch... |
1473 |
%suppress_ifbraces = (); |
170d3a226 checkpatch: handl... |
1474 |
%suppress_whiletrailers = (); |
2b474a1a5 checkpatch: fix f... |
1475 |
%suppress_export = (); |
0a920b5b6 add a trivial pat... |
1476 |
next; |
0a920b5b6 add a trivial pat... |
1477 |
|
4a0df2ef4 update checkpatch... |
1478 1479 1480 |
# track the line number as we move through the hunk, note that # new versions of GNU diff omit the leading space on completely # blank context lines so we need to count that too. |
773647a09 update checkpatch... |
1481 |
} elsif ($line =~ /^( |\+|$)/) { |
0a920b5b6 add a trivial pat... |
1482 |
$realline++; |
d8aaf1214 update checkpatch... |
1483 |
$realcnt-- if ($realcnt != 0); |
0a920b5b6 add a trivial pat... |
1484 |
|
4a0df2ef4 update checkpatch... |
1485 |
# Measure the line length and indent. |
c2fdda0df update checkpatch... |
1486 |
($length, $indent) = line_stats($rawline); |
0a920b5b6 add a trivial pat... |
1487 1488 1489 1490 |
# Track the previous line. ($prevline, $stashline) = ($stashline, $line); ($previndent, $stashindent) = ($stashindent, $indent); |
c2fdda0df update checkpatch... |
1491 |
($prevrawline, $stashrawline) = ($stashrawline, $rawline); |
773647a09 update checkpatch... |
1492 1493 |
#warn "line<$line> "; |
6c72ffaab update checkpatch... |
1494 |
|
d8aaf1214 update checkpatch... |
1495 1496 |
} elsif ($realcnt == 1) { $realcnt--; |
0a920b5b6 add a trivial pat... |
1497 |
} |
cc77cdca5 checkpatch: corre... |
1498 |
my $hunk_line = ($realcnt != 0); |
0a920b5b6 add a trivial pat... |
1499 |
#make up the handle for any error we report on this line |
773647a09 update checkpatch... |
1500 1501 |
$prefix = "$filename:$realline: " if ($emacs && $file); $prefix = "$filename:$linenr: " if ($emacs && !$file); |
6c72ffaab update checkpatch... |
1502 1503 |
$here = "#$linenr: " if (!$file); $here = "#$realline: " if ($file); |
773647a09 update checkpatch... |
1504 1505 |
# extract the filename as it passes |
3bf9a009f checkpatch: check... |
1506 1507 1508 |
if ($line =~ /^diff --git.*?(\S+)$/) { $realfile = $1; $realfile =~ s@^([^/]*)/@@; |
3bf9a009f checkpatch: check... |
1509 |
} elsif ($line =~ /^\+\+\+\s+(\S+)/) { |
773647a09 update checkpatch... |
1510 |
$realfile = $1; |
1e8557269 checkpatch: Add w... |
1511 1512 1513 |
$realfile =~ s@^([^/]*)/@@; $p1_prefix = $1; |
e2f7aa4b8 checkpatch: do no... |
1514 1515 |
if (!$file && $tree && $p1_prefix ne '' && -e "$root/$p1_prefix") { |
000d1cc18 checkpatch.pl: ad... |
1516 1517 1518 |
WARN("PATCH_PREFIX", "patch prefix '$p1_prefix' exists, appears to be a -p0 patch "); |
1e8557269 checkpatch: Add w... |
1519 |
} |
773647a09 update checkpatch... |
1520 |
|
c1ab33269 checkpatch: inclu... |
1521 |
if ($realfile =~ m@^include/asm/@) { |
000d1cc18 checkpatch.pl: ad... |
1522 1523 1524 1525 |
ERROR("MODIFIED_INCLUDE_ASM", "do not modify files in include/asm, change architecture specific files in include/asm-<architecture> " . "$here$rawline "); |
773647a09 update checkpatch... |
1526 1527 1528 |
} next; } |
389834b68 checkpatch: produ... |
1529 |
$here .= "FILE: $realfile:$realline:" if ($realcnt != 0); |
0a920b5b6 add a trivial pat... |
1530 |
|
c2fdda0df update checkpatch... |
1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 |
my $hereline = "$here $rawline "; my $herecurr = "$here $rawline "; my $hereprev = "$here $prevrawline $rawline "; |
0a920b5b6 add a trivial pat... |
1541 |
|
6c72ffaab update checkpatch... |
1542 |
$cnt_lines++ if ($realcnt != 0); |
3bf9a009f checkpatch: check... |
1543 1544 1545 1546 1547 |
# Check for incorrect file permissions if ($line =~ /^new (file )?mode.*[7531]\d{0,2}$/) { my $permhere = $here . "FILE: $realfile "; if ($realfile =~ /(Makefile|Kconfig|\.c|\.h|\.S|\.tmpl)$/) { |
000d1cc18 checkpatch.pl: ad... |
1548 1549 1550 |
ERROR("EXECUTE_PERMISSIONS", "do not set execute permissions for source files " . $permhere); |
3bf9a009f checkpatch: check... |
1551 1552 |
} } |
201124755 checkpatch: valid... |
1553 |
# Check the patch for a signoff: |
d8aaf1214 update checkpatch... |
1554 |
if ($line =~ /^\s*signed-off-by:/i) { |
4a0df2ef4 update checkpatch... |
1555 |
$signoff++; |
15662b3e8 checkpatch: add a... |
1556 |
$in_commit_log = 0; |
201124755 checkpatch: valid... |
1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 |
} # Check signature styles if ($line =~ /^(\s*)($signature_tags)(\s*)(.*)/) { my $space_before = $1; my $sign_off = $2; my $space_after = $3; my $email = $4; my $ucfirst_sign_off = ucfirst(lc($sign_off)); if (defined $space_before && $space_before ne "") { |
000d1cc18 checkpatch.pl: ad... |
1568 1569 1570 |
WARN("BAD_SIGN_OFF", "Do not use whitespace before $ucfirst_sign_off " . $herecurr); |
201124755 checkpatch: valid... |
1571 1572 |
} if ($sign_off =~ /-by:$/i && $sign_off ne $ucfirst_sign_off) { |
000d1cc18 checkpatch.pl: ad... |
1573 1574 1575 |
WARN("BAD_SIGN_OFF", "'$ucfirst_sign_off' is the preferred signature form " . $herecurr); |
201124755 checkpatch: valid... |
1576 1577 |
} if (!defined $space_after || $space_after ne " ") { |
000d1cc18 checkpatch.pl: ad... |
1578 1579 1580 |
WARN("BAD_SIGN_OFF", "Use a single space after $ucfirst_sign_off " . $herecurr); |
0a920b5b6 add a trivial pat... |
1581 |
} |
201124755 checkpatch: valid... |
1582 1583 1584 1585 |
my ($email_name, $email_address, $comment) = parse_email($email); my $suggested_email = format_email(($email_name, $email_address)); if ($suggested_email eq "") { |
000d1cc18 checkpatch.pl: ad... |
1586 1587 1588 |
ERROR("BAD_SIGN_OFF", "Unrecognized email address: '$email' " . $herecurr); |
201124755 checkpatch: valid... |
1589 1590 1591 1592 1593 1594 1595 1596 1597 |
} else { my $dequoted = $suggested_email; $dequoted =~ s/^"//; $dequoted =~ s/" </ </; # Don't force email to have quotes # Allow just an angle bracketed address if ("$dequoted$comment" ne $email && "<$email_address>$comment" ne $email && "$suggested_email$comment" ne $email) { |
000d1cc18 checkpatch.pl: ad... |
1598 1599 1600 |
WARN("BAD_SIGN_OFF", "email address '$email' might be better as '$suggested_email$comment' " . $herecurr); |
201124755 checkpatch: valid... |
1601 |
} |
0a920b5b6 add a trivial pat... |
1602 1603 |
} } |
00df344fd update checkpatch... |
1604 |
# Check for wrappage within a valid hunk of the file |
8905a67c6 update checkpatch... |
1605 |
if ($realcnt != 0 && $line !~ m{^(?:\+|-| |\\ No newline|$)}) { |
000d1cc18 checkpatch.pl: ad... |
1606 1607 1608 |
ERROR("CORRUPTED_PATCH", "patch seems to be corrupt (line wrapped?) " . |
6c72ffaab update checkpatch... |
1609 |
$herecurr) if (!$emitted_corrupt++); |
de7d4f0e1 update checkpatch... |
1610 |
} |
6ecd96744 checkpatch: repor... |
1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 |
# Check for absolute kernel paths. if ($tree) { while ($line =~ m{(?:^|\s)(/\S*)}g) { my $file = $1; if ($file =~ m{^(.*?)(?::\d+)+:?$} && check_absolute_file($1, $herecurr)) { # } else { check_absolute_file($file, $herecurr); } } } |
de7d4f0e1 update checkpatch... |
1624 1625 |
# UTF-8 regex found at http://www.w3.org/International/questions/qa-forms-utf-8.en.php if (($realfile =~ /^$/ || $line =~ /^\+/) && |
171ae1a49 update checkpatch... |
1626 1627 1628 1629 1630 1631 1632 |
$rawline !~ m/^$UTF8*$/) { my ($utf8_prefix) = ($rawline =~ /^($UTF8*)/); my $blank = copy_spacing($rawline); my $ptr = substr($blank, 0, length($utf8_prefix)) . "^"; my $hereptr = "$hereline$ptr "; |
34d992197 checkpatch: make ... |
1633 1634 1635 |
CHK("INVALID_UTF8", "Invalid UTF-8, patch and commit message should be encoded in UTF-8 " . $hereptr); |
00df344fd update checkpatch... |
1636 |
} |
15662b3e8 checkpatch: add a... |
1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 |
# Check if it's the start of a commit log # (not a header line and we haven't seen the patch filename) if ($in_header_lines && $realfile =~ /^$/ && $rawline !~ /^(commit\b|from\b|\w+:).+$/i) { $in_header_lines = 0; $in_commit_log = 1; } # Still not yet in a patch, check for any UTF-8 if ($in_commit_log && $realfile =~ /^$/ && $rawline =~ /$NON_ASCII_UTF8/) { CHK("UTF8_BEFORE_PATCH", "8-bit UTF-8 used in possible commit log " . $herecurr); } |
306708547 checkpatch: ensur... |
1652 1653 |
# ignore non-hunk lines and lines being removed next if (!$hunk_line || $line =~ /^-/); |
0a920b5b6 add a trivial pat... |
1654 |
|
0a920b5b6 add a trivial pat... |
1655 |
#trailing whitespace |
9c0ca6f9a update checkpatch... |
1656 |
if ($line =~ /^\+.*\015/) { |
c2fdda0df update checkpatch... |
1657 1658 1659 |
my $herevet = "$here " . cat_vet($rawline) . " "; |
000d1cc18 checkpatch.pl: ad... |
1660 1661 1662 |
ERROR("DOS_LINE_ENDINGS", "DOS line endings " . $herevet); |
9c0ca6f9a update checkpatch... |
1663 |
|
c2fdda0df update checkpatch... |
1664 1665 1666 1667 |
} elsif ($rawline =~ /^\+.*\S\s+$/ || $rawline =~ /^\+\s+$/) { my $herevet = "$here " . cat_vet($rawline) . " "; |
000d1cc18 checkpatch.pl: ad... |
1668 1669 1670 |
ERROR("TRAILING_WHITESPACE", "trailing whitespace " . $herevet); |
d2c0a2351 checkpatch: sugge... |
1671 |
$rpt_cleaners = 1; |
0a920b5b6 add a trivial pat... |
1672 |
} |
5368df20f checkpatch: check... |
1673 |
|
3354957a4 checkpatch: add c... |
1674 |
# check for Kconfig help text having a real description |
9fe287d79 checkpatch: ensur... |
1675 1676 |
# Only applies when adding the entry originally, after that we do not have # sufficient context to determine whether it is indeed long enough. |
3354957a4 checkpatch: add c... |
1677 |
if ($realfile =~ /Kconfig/ && |
9fe287d79 checkpatch: ensur... |
1678 |
$line =~ /\+\s*(?:---)?help(?:---)?$/) { |
3354957a4 checkpatch: add c... |
1679 |
my $length = 0; |
9fe287d79 checkpatch: ensur... |
1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 |
my $cnt = $realcnt; my $ln = $linenr + 1; my $f; my $is_end = 0; while ($cnt > 0 && defined $lines[$ln - 1]) { $f = $lines[$ln - 1]; $cnt-- if ($lines[$ln - 1] !~ /^-/); $is_end = $lines[$ln - 1] =~ /^\+/; $ln++; next if ($f =~ /^-/); $f =~ s/^.//; |
3354957a4 checkpatch: add c... |
1692 1693 1694 |
$f =~ s/#.*//; $f =~ s/^\s+//; next if ($f =~ /^$/); |
9fe287d79 checkpatch: ensur... |
1695 1696 1697 1698 |
if ($f =~ /^\s*config\s/) { $is_end = 1; last; } |
3354957a4 checkpatch: add c... |
1699 1700 |
$length++; } |
000d1cc18 checkpatch.pl: ad... |
1701 1702 1703 |
WARN("CONFIG_DESCRIPTION", "please write a paragraph that describes the config symbol fully " . $herecurr) if ($is_end && $length < 4); |
9fe287d79 checkpatch: ensur... |
1704 1705 |
#print "is_end<$is_end> length<$length> "; |
3354957a4 checkpatch: add c... |
1706 |
} |
c68e58783 script/checkpatch... |
1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 |
if (($realfile =~ /Makefile.*/ || $realfile =~ /Kbuild.*/) && ($line =~ /\+(EXTRA_[A-Z]+FLAGS).*/)) { my $flag = $1; my $replacement = { 'EXTRA_AFLAGS' => 'asflags-y', 'EXTRA_CFLAGS' => 'ccflags-y', 'EXTRA_CPPFLAGS' => 'cppflags-y', 'EXTRA_LDFLAGS' => 'ldflags-y', }; WARN("DEPRECATED_VARIABLE", "Use of $flag is deprecated, please use \`$replacement->{$flag} instead. " . $herecurr) if ($replacement->{$flag}); } |
5368df20f checkpatch: check... |
1721 1722 |
# check we are in a valid source file if not then ignore this hunk next if ($realfile !~ /\.(h|c|s|S|pl|sh)$/); |
0a920b5b6 add a trivial pat... |
1723 |
#80 column limit |
c45dcabd2 update checkpatch... |
1724 |
if ($line =~ /^\+/ && $prevrawline !~ /\/\*\*/ && |
f4c014c0d checkpatch: allow... |
1725 |
$rawline !~ /^.\s*\*\s*\@$Ident\s/ && |
0fccc6221 checkpatch: fix d... |
1726 |
!($line =~ /^\+\s*$logFunctions\s*\(\s*(?:(KERN_\S+\s*|[^"]*))?"[X\t]*"\s*(?:|,|\)\s*;)\s*$/ || |
8bbea968f checkpatch: add m... |
1727 |
$line =~ /^\+\s*"[^"]*"\s*(?:\s*|,|\)\s*;)\s*$/) && |
f4c014c0d checkpatch: allow... |
1728 |
$length > 80) |
c45dcabd2 update checkpatch... |
1729 |
{ |
000d1cc18 checkpatch.pl: ad... |
1730 1731 1732 |
WARN("LONG_LINE", "line over 80 characters " . $herecurr); |
0a920b5b6 add a trivial pat... |
1733 |
} |
5e79d96ee checkpatch: warn ... |
1734 1735 1736 |
# check for spaces before a quoted newline if ($rawline =~ /^.*\".*\s\ /) { |
000d1cc18 checkpatch.pl: ad... |
1737 1738 1739 |
WARN("QUOTED_WHITESPACE_BEFORE_NEWLINE", "unnecessary whitespace before a quoted newline " . $herecurr); |
5e79d96ee checkpatch: warn ... |
1740 |
} |
8905a67c6 update checkpatch... |
1741 1742 |
# check for adding lines without a newline. if ($line =~ /^\+/ && defined $lines[$linenr] && $lines[$linenr] =~ /^\\ No newline at end of file/) { |
000d1cc18 checkpatch.pl: ad... |
1743 1744 1745 |
WARN("MISSING_EOF_NEWLINE", "adding a line without newline at end of file " . $herecurr); |
8905a67c6 update checkpatch... |
1746 |
} |
42e41c54d checkpatch: add s... |
1747 1748 1749 1750 1751 1752 |
# Blackfin: use hi/lo macros if ($realfile =~ m@arch/blackfin/.*\.S$@) { if ($line =~ /\.[lL][[:space:]]*=.*&[[:space:]]*0x[fF][fF][fF][fF]/) { my $herevet = "$here " . cat_vet($line) . " "; |
000d1cc18 checkpatch.pl: ad... |
1753 1754 1755 |
ERROR("LO_MACRO", "use the LO() macro, not (... & 0xFFFF) " . $herevet); |
42e41c54d checkpatch: add s... |
1756 1757 1758 1759 1760 |
} if ($line =~ /\.[hH][[:space:]]*=.*>>[[:space:]]*16/) { my $herevet = "$here " . cat_vet($line) . " "; |
000d1cc18 checkpatch.pl: ad... |
1761 1762 1763 |
ERROR("HI_MACRO", "use the HI() macro, not (... >> 16) " . $herevet); |
42e41c54d checkpatch: add s... |
1764 1765 |
} } |
b9ea10d69 checkpatch: perfo... |
1766 1767 |
# check we are in a valid source file C or perl if not then ignore this hunk next if ($realfile !~ /\.(h|c|pl)$/); |
0a920b5b6 add a trivial pat... |
1768 1769 1770 |
# at the beginning of a line any tabs must come first and anything # more than 8 must use tabs. |
c2fdda0df update checkpatch... |
1771 1772 1773 1774 1775 |
if ($rawline =~ /^\+\s* \t\s*\S/ || $rawline =~ /^\+\s* \s*/) { my $herevet = "$here " . cat_vet($rawline) . " "; |
000d1cc18 checkpatch.pl: ad... |
1776 1777 1778 |
ERROR("CODE_INDENT", "code indent should use tabs where possible " . $herevet); |
d2c0a2351 checkpatch: sugge... |
1779 |
$rpt_cleaners = 1; |
0a920b5b6 add a trivial pat... |
1780 |
} |
08e443656 checkpatch.pl: wa... |
1781 1782 1783 1784 1785 |
# check for space before tabs. if ($rawline =~ /^\+/ && $rawline =~ / \t/) { my $herevet = "$here " . cat_vet($rawline) . " "; |
000d1cc18 checkpatch.pl: ad... |
1786 1787 1788 |
WARN("SPACE_BEFORE_TAB", "please, no space before tabs " . $herevet); |
08e443656 checkpatch.pl: wa... |
1789 |
} |
5f7ddae61 checkpatch: fix h... |
1790 |
# check for spaces at the beginning of a line. |
6b4c5bebc checkpatch: fix r... |
1791 1792 1793 1794 1795 |
# Exceptions: # 1) within comments # 2) indented preprocessor commands # 3) hanging labels if ($rawline =~ /^\+ / && $line !~ /\+ *(?:$;|#|$Ident:)/) { |
5f7ddae61 checkpatch: fix h... |
1796 1797 1798 |
my $herevet = "$here " . cat_vet($rawline) . " "; |
000d1cc18 checkpatch.pl: ad... |
1799 1800 1801 |
WARN("LEADING_SPACE", "please, no spaces at the start of a line " . $herevet); |
5f7ddae61 checkpatch: fix h... |
1802 |
} |
b9ea10d69 checkpatch: perfo... |
1803 1804 |
# check we are in a valid C source file if not then ignore this hunk next if ($realfile !~ /\.(h|c)$/); |
c2fdda0df update checkpatch... |
1805 |
# check for RCS/CVS revision markers |
cf655043d update checkpatch... |
1806 |
if ($rawline =~ /^\+.*\$(Revision|Log|Id)(?:\$|)/) { |
000d1cc18 checkpatch.pl: ad... |
1807 1808 1809 |
WARN("CVS_KEYWORD", "CVS style keyword markers, these will _not_ be updated ". $herecurr); |
c2fdda0df update checkpatch... |
1810 |
} |
22f2a2ef9 update checkpatch... |
1811 |
|
42e41c54d checkpatch: add s... |
1812 1813 1814 1815 1816 |
# Blackfin: don't use __builtin_bfin_[cs]sync if ($line =~ /__builtin_bfin_csync/) { my $herevet = "$here " . cat_vet($line) . " "; |
000d1cc18 checkpatch.pl: ad... |
1817 1818 1819 |
ERROR("CSYNC", "use the CSYNC() macro in asm/blackfin.h " . $herevet); |
42e41c54d checkpatch: add s... |
1820 1821 1822 1823 1824 |
} if ($line =~ /__builtin_bfin_ssync/) { my $herevet = "$here " . cat_vet($line) . " "; |
000d1cc18 checkpatch.pl: ad... |
1825 1826 1827 |
ERROR("SSYNC", "use the SSYNC() macro in asm/blackfin.h " . $herevet); |
42e41c54d checkpatch: add s... |
1828 |
} |
9c0ca6f9a update checkpatch... |
1829 |
# Check for potential 'bare' types |
2b474a1a5 checkpatch: fix f... |
1830 1831 |
my ($stat, $cond, $line_nr_next, $remain_next, $off_next, $realline_next); |
9c9ba34ee update checkpatch... |
1832 |
if ($realcnt && $line =~ /.\s*\S/) { |
170d3a226 checkpatch: handl... |
1833 |
($stat, $cond, $line_nr_next, $remain_next, $off_next) = |
f5fe35dd9 checkpatch: condi... |
1834 |
ctx_statement_block($linenr, $realcnt, 0); |
171ae1a49 update checkpatch... |
1835 1836 1837 1838 1839 1840 |
$stat =~ s/ ./ /g; $cond =~ s/ ./ /g; |
2b474a1a5 checkpatch: fix f... |
1841 1842 1843 1844 1845 1846 1847 |
# Find the real next line. $realline_next = $line_nr_next; if (defined $realline_next && (!defined $lines[$realline_next - 1] || substr($lines[$realline_next - 1], $off_next) =~ /^\s*$/)) { $realline_next++; } |
171ae1a49 update checkpatch... |
1848 1849 |
my $s = $stat; $s =~ s/{.*$//s; |
cf655043d update checkpatch... |
1850 |
|
c2fdda0df update checkpatch... |
1851 |
# Ignore goto labels. |
171ae1a49 update checkpatch... |
1852 |
if ($s =~ /$Ident:\*$/s) { |
c2fdda0df update checkpatch... |
1853 1854 |
# Ignore functions being called |
171ae1a49 update checkpatch... |
1855 |
} elsif ($s =~ /^.\s*$Ident\s*\(/s) { |
c2fdda0df update checkpatch... |
1856 |
|
463f28648 checkpatch: possi... |
1857 |
} elsif ($s =~ /^.\s*else\b/s) { |
c45dcabd2 update checkpatch... |
1858 |
# declarations always start with types |
d25065865 checkpatch: possi... |
1859 |
} elsif ($prev_values eq 'E' && $s =~ /^.\s*(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?((?:\s*$Ident)+?)\b(?:\s+$Sparse)?\s*\**\s*(?:$Ident|\(\*[^\)]*\))(?:\s*$Modifier)?\s*(?:;|=|,|\()/s) { |
c45dcabd2 update checkpatch... |
1860 1861 1862 |
my $type = $1; $type =~ s/\s+/ /g; possible($type, "A:" . $s); |
8905a67c6 update checkpatch... |
1863 |
# definitions in global scope can only start with types |
a6a840628 checkpatch: label... |
1864 |
} elsif ($s =~ /^.(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?($Ident)\b\s*(?!:)/s) { |
c45dcabd2 update checkpatch... |
1865 |
possible($1, "B:" . $s); |
c2fdda0df update checkpatch... |
1866 |
} |
8905a67c6 update checkpatch... |
1867 1868 |
# any (foo ... *) is a pointer cast, and foo is a type |
65863862b checkpatch: dissa... |
1869 |
while ($s =~ /\(($Ident)(?:\s+$Sparse)*[\s\*]+\s*\)/sg) { |
c45dcabd2 update checkpatch... |
1870 |
possible($1, "C:" . $s); |
8905a67c6 update checkpatch... |
1871 1872 1873 1874 1875 |
} # Check for any sort of function declaration. # int foo(something bar, other baz); # void (*store_gdt)(x86_descr_ptr *); |
171ae1a49 update checkpatch... |
1876 |
if ($prev_values eq 'E' && $s =~ /^(.(?:typedef\s*)?(?:(?:$Storage|$Inline)\s*)*\s*$Type\s*(?:\b$Ident|\(\*\s*$Ident\))\s*)\(/s) { |
8905a67c6 update checkpatch... |
1877 |
my ($name_len) = length($1); |
8905a67c6 update checkpatch... |
1878 |
|
cf655043d update checkpatch... |
1879 |
my $ctx = $s; |
773647a09 update checkpatch... |
1880 |
substr($ctx, 0, $name_len + 1, ''); |
8905a67c6 update checkpatch... |
1881 |
$ctx =~ s/\)[^\)]*$//; |
cf655043d update checkpatch... |
1882 |
|
8905a67c6 update checkpatch... |
1883 |
for my $arg (split(/\s*,\s*/, $ctx)) { |
c45dcabd2 update checkpatch... |
1884 |
if ($arg =~ /^(?:const\s+)?($Ident)(?:\s+$Sparse)*\s*\**\s*(:?\b$Ident)?$/s || $arg =~ /^($Ident)$/s) { |
8905a67c6 update checkpatch... |
1885 |
|
c45dcabd2 update checkpatch... |
1886 |
possible($1, "D:" . $s); |
8905a67c6 update checkpatch... |
1887 1888 |
} } |
9c0ca6f9a update checkpatch... |
1889 |
} |
8905a67c6 update checkpatch... |
1890 |
|
9c0ca6f9a update checkpatch... |
1891 |
} |
653d4876b update checkpatch... |
1892 1893 1894 |
# # Checks which may be anchored in the context. # |
00df344fd update checkpatch... |
1895 |
|
653d4876b update checkpatch... |
1896 1897 |
# Check for switch () and associated case and default # statements should be at the same indent. |
00df344fd update checkpatch... |
1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 |
if ($line=~/\bswitch\s*\(.*\)/) { my $err = ''; my $sep = ''; my @ctx = ctx_block_outer($linenr, $realcnt); shift(@ctx); for my $ctx (@ctx) { my ($clen, $cindent) = line_stats($ctx); if ($ctx =~ /^\+\s*(case\s+|default:)/ && $indent != $cindent) { $err .= "$sep$ctx "; $sep = ''; } else { $sep = "[...] "; } } if ($err ne '') { |
000d1cc18 checkpatch.pl: ad... |
1916 1917 1918 |
ERROR("SWITCH_CASE_INDENT_LEVEL", "switch and case should be at the same indent $hereline$err"); |
de7d4f0e1 update checkpatch... |
1919 1920 1921 1922 1923 |
} } # if/while/etc brace do not go on next line, unless defining a do while loop, # or if that brace on the next line is for something else |
c45dcabd2 update checkpatch... |
1924 |
if ($line =~ /(.*)\b((?:if|while|for|switch)\s*\(|do\b|else\b)/ && $line !~ /^.\s*\#/) { |
773647a09 update checkpatch... |
1925 |
my $pre_ctx = "$1$2"; |
9c0ca6f9a update checkpatch... |
1926 |
my ($level, @ctx) = ctx_statement_level($linenr, $realcnt, 0); |
de7d4f0e1 update checkpatch... |
1927 1928 1929 |
my $ctx_cnt = $realcnt - $#ctx - 1; my $ctx = join(" ", @ctx); |
548596d52 checkpatch: trail... |
1930 1931 |
my $ctx_ln = $linenr; my $ctx_skip = $realcnt; |
773647a09 update checkpatch... |
1932 |
|
548596d52 checkpatch: trail... |
1933 1934 1935 1936 1937 1938 |
while ($ctx_skip > $ctx_cnt || ($ctx_skip == $ctx_cnt && defined $lines[$ctx_ln - 1] && $lines[$ctx_ln - 1] =~ /^-/)) { ##print "SKIP<$ctx_skip> CNT<$ctx_cnt> "; $ctx_skip-- if (!defined $lines[$ctx_ln - 1] || $lines[$ctx_ln - 1] !~ /^-/); |
de7d4f0e1 update checkpatch... |
1939 |
$ctx_ln++; |
de7d4f0e1 update checkpatch... |
1940 |
} |
548596d52 checkpatch: trail... |
1941 |
|
53210168f checkpatch: tough... |
1942 1943 1944 1945 1946 1947 1948 |
#print "realcnt<$realcnt> ctx_cnt<$ctx_cnt> "; #print "pre<$pre_ctx> line<$line> ctx<$ctx> next<$lines[$ctx_ln - 1]> "; |
de7d4f0e1 update checkpatch... |
1949 |
|
773647a09 update checkpatch... |
1950 |
if ($ctx !~ /{\s*/ && defined($lines[$ctx_ln -1]) && $lines[$ctx_ln - 1] =~ /^\+\s*{/) { |
000d1cc18 checkpatch.pl: ad... |
1951 1952 1953 |
ERROR("OPEN_BRACE", "that open brace { should be on the previous line " . |
01464f30a checkpatch: state... |
1954 1955 1956 1957 |
"$here $ctx $rawlines[$ctx_ln - 1] "); |
00df344fd update checkpatch... |
1958 |
} |
773647a09 update checkpatch... |
1959 1960 1961 1962 |
if ($level == 0 && $pre_ctx !~ /}\s*while\s*\($/ && $ctx =~ /\)\s*\;\s*$/ && defined $lines[$ctx_ln - 1]) { |
9c0ca6f9a update checkpatch... |
1963 1964 |
my ($nlength, $nindent) = line_stats($lines[$ctx_ln - 1]); if ($nindent > $indent) { |
000d1cc18 checkpatch.pl: ad... |
1965 1966 1967 |
WARN("TRAILING_SEMICOLON", "trailing semicolon indicates no statements, indent implies otherwise " . |
01464f30a checkpatch: state... |
1968 1969 1970 1971 |
"$here $ctx $rawlines[$ctx_ln - 1] "); |
9c0ca6f9a update checkpatch... |
1972 1973 |
} } |
00df344fd update checkpatch... |
1974 |
} |
4d001e4d8 checkpatch: repor... |
1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 |
# Check relative indent for conditionals and blocks. if ($line =~ /\b(?:(?:if|while|for)\s*\(|do\b)/ && $line !~ /^.\s*#/ && $line !~ /\}\s*while\s*/) { my ($s, $c) = ($stat, $cond); substr($s, 0, length($c), ''); # Make sure we remove the line prefixes as we have # none on the first line, and are going to readd them # where necessary. $s =~ s/ ./ /gs; # Find out how long the conditional actually is. |
6f779c18c checkpatch: suspe... |
1989 1990 1991 |
my @newlines = ($c =~ / /gs); my $cond_lines = 1 + $#newlines; |
4d001e4d8 checkpatch: repor... |
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 |
# We want to check the first line inside the block # starting at the end of the conditional, so remove: # 1) any blank line termination # 2) any opening brace { on end of the line # 3) any do (...) { my $continuation = 0; my $check = 0; $s =~ s/^.*\bdo\b//; $s =~ s/^\s*{//; if ($s =~ s/^\s*\\//) { $continuation = 1; } |
9bd49efe4 checkpatch: suspe... |
2005 2006 |
if ($s =~ s/^\s*? //) { |
4d001e4d8 checkpatch: repor... |
2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 |
$check = 1; $cond_lines++; } # Also ignore a loop construct at the end of a # preprocessor statement. if (($prevline =~ /^.\s*#\s*define\s/ || $prevline =~ /\\\s*$/) && $continuation == 0) { $check = 0; } |
9bd49efe4 checkpatch: suspe... |
2017 |
my $cond_ptr = -1; |
740504c61 checkpatch: suspe... |
2018 |
$continuation = 0; |
9bd49efe4 checkpatch: suspe... |
2019 2020 |
while ($cond_ptr != $cond_lines) { $cond_ptr = $cond_lines; |
f16fa28f7 checkpatch: suspe... |
2021 2022 2023 2024 2025 |
# If we see an #else/#elif then the code # is not linear. if ($s =~ /^\s*\#\s*(?:else|elif)/) { $check = 0; } |
9bd49efe4 checkpatch: suspe... |
2026 2027 2028 2029 |
# Ignore: # 1) blank lines, they should be at 0, # 2) preprocessor lines, and # 3) labels. |
740504c61 checkpatch: suspe... |
2030 2031 2032 |
if ($continuation || $s =~ /^\s*? / || |
9bd49efe4 checkpatch: suspe... |
2033 2034 |
$s =~ /^\s*#\s*?/ || $s =~ /^\s*$Ident\s*:/) { |
740504c61 checkpatch: suspe... |
2035 2036 |
$continuation = ($s =~ /^.*?\\ /) ? 1 : 0; |
30dad6ebe checkpatch: inden... |
2037 2038 2039 2040 |
if ($s =~ s/^.*? //) { $cond_lines++; } |
9bd49efe4 checkpatch: suspe... |
2041 |
} |
4d001e4d8 checkpatch: repor... |
2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 |
} my (undef, $sindent) = line_stats("+" . $s); my $stat_real = raw_line($linenr, $cond_lines); # Check if either of these lines are modified, else # this is not this patch's fault. if (!defined($stat_real) || $stat !~ /^\+/ && $stat_real !~ /^\+/) { $check = 0; } if (defined($stat_real) && $cond_lines > 1) { $stat_real = "[...] $stat_real"; } |
9bd49efe4 checkpatch: suspe... |
2057 2058 |
#print "line<$line> prevline<$prevline> indent<$indent> sindent<$sindent> check<$check> continuation<$continuation> s<$s> cond_lines<$cond_lines> stat_real<$stat_real> stat<$stat> "; |
4d001e4d8 checkpatch: repor... |
2059 2060 2061 |
if ($check && (($sindent % 8) != 0 || ($sindent <= $indent && $s ne ''))) { |
000d1cc18 checkpatch.pl: ad... |
2062 2063 2064 2065 |
WARN("SUSPECT_CODE_INDENT", "suspect code indent for conditional statements ($indent, $sindent) " . $herecurr . "$stat_real "); |
4d001e4d8 checkpatch: repor... |
2066 2067 |
} } |
6c72ffaab update checkpatch... |
2068 2069 |
# Track the 'values' across context and added lines. my $opline = $line; $opline =~ s/^./ /; |
1f65f947a checkpatch: add c... |
2070 2071 2072 |
my ($curr_values, $curr_vars) = annotate_values($opline . " ", $prev_values); |
6c72ffaab update checkpatch... |
2073 |
$curr_values = $prev_values . $curr_values; |
c2fdda0df update checkpatch... |
2074 2075 |
if ($dbg_values) { my $outline = $opline; $outline =~ s/\t/ /g; |
cf655043d update checkpatch... |
2076 2077 2078 2079 |
print "$linenr > .$outline "; print "$linenr > $curr_values "; |
1f65f947a checkpatch: add c... |
2080 2081 |
print "$linenr > $curr_vars "; |
c2fdda0df update checkpatch... |
2082 |
} |
6c72ffaab update checkpatch... |
2083 |
$prev_values = substr($curr_values, -1); |
00df344fd update checkpatch... |
2084 2085 |
#ignore lines not being added if ($line=~/^[^\+]/) {next;} |
653d4876b update checkpatch... |
2086 |
# TEST: allow direct testing of the type matcher. |
7429c6903 checkpatch: impro... |
2087 2088 |
if ($dbg_type) { if ($line =~ /^.\s*$Declare\s*$/) { |
000d1cc18 checkpatch.pl: ad... |
2089 2090 2091 |
ERROR("TEST_TYPE", "TEST: is type " . $herecurr); |
7429c6903 checkpatch: impro... |
2092 |
} elsif ($dbg_type > 1 && $line =~ /^.+($Declare)/) { |
000d1cc18 checkpatch.pl: ad... |
2093 2094 2095 |
ERROR("TEST_NOT_TYPE", "TEST: is not type ($1 is) ". $herecurr); |
7429c6903 checkpatch: impro... |
2096 |
} |
653d4876b update checkpatch... |
2097 2098 |
next; } |
a1ef277e2 checkpatch: add t... |
2099 2100 |
# TEST: allow direct testing of the attribute matcher. if ($dbg_attr) { |
9360b0e50 checkpatch: exten... |
2101 |
if ($line =~ /^.\s*$Modifier\s*$/) { |
000d1cc18 checkpatch.pl: ad... |
2102 2103 2104 |
ERROR("TEST_ATTR", "TEST: is attr " . $herecurr); |
9360b0e50 checkpatch: exten... |
2105 |
} elsif ($dbg_attr > 1 && $line =~ /^.+($Modifier)/) { |
000d1cc18 checkpatch.pl: ad... |
2106 2107 2108 |
ERROR("TEST_NOT_ATTR", "TEST: is not attr ($1 is) ". $herecurr); |
a1ef277e2 checkpatch: add t... |
2109 2110 2111 |
} next; } |
653d4876b update checkpatch... |
2112 |
|
f0a594c1c update checkpatch... |
2113 |
# check for initialisation to aggregates open brace on the next line |
99423c206 checkpatch: fix _... |
2114 2115 |
if ($line =~ /^.\s*{/ && $prevline =~ /(?:^|[^=])=\s*$/) { |
000d1cc18 checkpatch.pl: ad... |
2116 2117 2118 |
ERROR("OPEN_BRACE", "that open brace { should be on the previous line " . $hereprev); |
f0a594c1c update checkpatch... |
2119 |
} |
653d4876b update checkpatch... |
2120 2121 2122 2123 2124 |
# # Checks which are anchored on the added line. # # check for malformed paths in #include statements (uses RAW line) |
c45dcabd2 update checkpatch... |
2125 |
if ($rawline =~ m{^.\s*\#\s*include\s+[<"](.*)[">]}) { |
653d4876b update checkpatch... |
2126 2127 |
my $path = $1; if ($path =~ m{//}) { |
000d1cc18 checkpatch.pl: ad... |
2128 2129 2130 |
ERROR("MALFORMED_INCLUDE", "malformed #include filename " . |
de7d4f0e1 update checkpatch... |
2131 |
$herecurr); |
653d4876b update checkpatch... |
2132 |
} |
653d4876b update checkpatch... |
2133 |
} |
00df344fd update checkpatch... |
2134 |
|
0a920b5b6 add a trivial pat... |
2135 |
# no C99 // comments |
00df344fd update checkpatch... |
2136 |
if ($line =~ m{//}) { |
000d1cc18 checkpatch.pl: ad... |
2137 2138 2139 |
ERROR("C99_COMMENTS", "do not use C99 // comments " . $herecurr); |
0a920b5b6 add a trivial pat... |
2140 |
} |
00df344fd update checkpatch... |
2141 |
# Remove C99 comments. |
0a920b5b6 add a trivial pat... |
2142 |
$line =~ s@//.*@@; |
6c72ffaab update checkpatch... |
2143 |
$opline =~ s@//.*@@; |
0a920b5b6 add a trivial pat... |
2144 |
|
2b474a1a5 checkpatch: fix f... |
2145 2146 2147 2148 2149 2150 2151 2152 2153 |
# EXPORT_SYMBOL should immediately follow the thing it is exporting, consider # the whole statement. #print "APW <$lines[$realline_next - 1]> "; if (defined $realline_next && exists $lines[$realline_next - 1] && !defined $suppress_export{$realline_next} && ($lines[$realline_next - 1] =~ /EXPORT_SYMBOL.*\((.*)\)/ || $lines[$realline_next - 1] =~ /EXPORT_UNUSED_SYMBOL.*\((.*)\)/)) { |
3cbf62df3 checkpatch: handl... |
2154 2155 2156 2157 |
# Handle definitions which produce identifiers with # a prefix: # XXX(foo); # EXPORT_SYMBOL(something_foo); |
653d4876b update checkpatch... |
2158 |
my $name = $1; |
3cbf62df3 checkpatch: handl... |
2159 2160 2161 2162 2163 2164 2165 |
if ($stat =~ /^.([A-Z_]+)\s*\(\s*($Ident)/ && $name =~ /^${Ident}_$2/) { #print "FOO C name<$name> "; $suppress_export{$realline_next} = 1; } elsif ($stat !~ /(?: |
2b474a1a5 checkpatch: fix f... |
2166 2167 |
.}\s*$| |
480120586 checkpatch: DEFIN... |
2168 2169 2170 |
^.DEFINE_$Ident\(\Q$name\E\)| ^.DECLARE_$Ident\(\Q$name\E\)| ^.LIST_HEAD\(\Q$name\E\)| |
2b474a1a5 checkpatch: fix f... |
2171 2172 |
^.(?:$Storage\s+)?$Type\s*\(\s*\*\s*\Q$name\E\s*\)\s*\(| \b\Q$name\E(?:\s+$Attribute)*\s*(?:;|=|\[|\() |
480120586 checkpatch: DEFIN... |
2173 |
)/x) { |
2b474a1a5 checkpatch: fix f... |
2174 2175 2176 2177 2178 |
#print "FOO A<$lines[$realline_next - 1]> stat<$stat> name<$name> "; $suppress_export{$realline_next} = 2; } else { $suppress_export{$realline_next} = 1; |
0a920b5b6 add a trivial pat... |
2179 2180 |
} } |
2b474a1a5 checkpatch: fix f... |
2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 |
if (!defined $suppress_export{$linenr} && $prevline =~ /^.\s*$/ && ($line =~ /EXPORT_SYMBOL.*\((.*)\)/ || $line =~ /EXPORT_UNUSED_SYMBOL.*\((.*)\)/)) { #print "FOO B <$lines[$linenr - 1]> "; $suppress_export{$linenr} = 2; } if (defined $suppress_export{$linenr} && $suppress_export{$linenr} == 2) { |
000d1cc18 checkpatch.pl: ad... |
2191 2192 2193 |
WARN("EXPORT_SYMBOL", "EXPORT_SYMBOL(foo); should immediately follow its function/variable " . $herecurr); |
2b474a1a5 checkpatch: fix f... |
2194 |
} |
0a920b5b6 add a trivial pat... |
2195 |
|
5150bda43 checkpatch: chang... |
2196 |
# check for global initialisers. |
c45dcabd2 update checkpatch... |
2197 |
if ($line =~ /^.$Type\s*$Ident\s*(?:\s+$Modifier)*\s*=\s*(0|NULL|false)\s*;/) { |
000d1cc18 checkpatch.pl: ad... |
2198 2199 2200 |
ERROR("GLOBAL_INITIALISERS", "do not initialise globals to 0 or NULL " . |
f0a594c1c update checkpatch... |
2201 2202 |
$herecurr); } |
653d4876b update checkpatch... |
2203 |
# check for static initialisers. |
2d1bafd79 checkpatch: do no... |
2204 |
if ($line =~ /\bstatic\s.*=\s*(0|NULL|false)\s*;/) { |
000d1cc18 checkpatch.pl: ad... |
2205 2206 2207 |
ERROR("INITIALISED_STATIC", "do not initialise statics to 0 or NULL " . |
de7d4f0e1 update checkpatch... |
2208 |
$herecurr); |
0a920b5b6 add a trivial pat... |
2209 |
} |
cb710eca6 scripts/checkpatc... |
2210 2211 |
# check for static const char * arrays. if ($line =~ /\bstatic\s+const\s+char\s*\*\s*(\w+)\s*\[\s*\]\s*=\s*/) { |
000d1cc18 checkpatch.pl: ad... |
2212 2213 2214 |
WARN("STATIC_CONST_CHAR_ARRAY", "static const char * array should probably be static const char * const " . |
cb710eca6 scripts/checkpatc... |
2215 2216 2217 2218 2219 |
$herecurr); } # check for static char foo[] = "bar" declarations. if ($line =~ /\bstatic\s+char\s+(\w+)\s*\[\s*\]\s*=\s*"/) { |
000d1cc18 checkpatch.pl: ad... |
2220 2221 2222 |
WARN("STATIC_CONST_CHAR_ARRAY", "static char array declaration should probably be static const char " . |
cb710eca6 scripts/checkpatc... |
2223 2224 |
$herecurr); } |
93ed0e2d0 scripts/checkpatc... |
2225 2226 |
# check for declarations of struct pci_device_id if ($line =~ /\bstruct\s+pci_device_id\s+\w+\s*\[\s*\]\s*\=\s*\{/) { |
000d1cc18 checkpatch.pl: ad... |
2227 2228 2229 |
WARN("DEFINE_PCI_DEVICE_TABLE", "Use DEFINE_PCI_DEVICE_TABLE for struct pci_device_id " . $herecurr); |
93ed0e2d0 scripts/checkpatc... |
2230 |
} |
653d4876b update checkpatch... |
2231 2232 2233 |
# check for new typedefs, only function parameters and sparse annotations # make sense. if ($line =~ /\btypedef\s/ && |
8054576dc checkpatch: loose... |
2234 |
$line !~ /\btypedef\s+$Type\s*\(\s*\*?$Ident\s*\)\s*\(/ && |
c45dcabd2 update checkpatch... |
2235 |
$line !~ /\btypedef\s+$Type\s+$Ident\s*\(/ && |
8ed22cad9 checkpatch: pull ... |
2236 |
$line !~ /\b$typeTypedefs\b/ && |
653d4876b update checkpatch... |
2237 |
$line !~ /\b__bitwise(?:__|)\b/) { |
000d1cc18 checkpatch.pl: ad... |
2238 2239 2240 |
WARN("NEW_TYPEDEFS", "do not add new typedefs " . $herecurr); |
0a920b5b6 add a trivial pat... |
2241 2242 2243 |
} # * goes on variable not on type |
65863862b checkpatch: dissa... |
2244 |
# (char*[ const]) |
00ef4ece0 checkpatch: corre... |
2245 |
if ($line =~ m{\($NonptrType(\s*(?:$Modifier\b\s*|\*\s*)+)\)}) { |
65863862b checkpatch: dissa... |
2246 2247 2248 2249 2250 2251 2252 |
my ($from, $to) = ($1, $1); # Should start with a space. $to =~ s/^(\S)/ $1/; # Should not end with a space. $to =~ s/\s+$//; # '*'s should not have spaces between. |
f9a0b3d17 checkpatch: type/... |
2253 |
while ($to =~ s/\*\s+\*/\*\*/) { |
65863862b checkpatch: dissa... |
2254 |
} |
d8aaf1214 update checkpatch... |
2255 |
|
65863862b checkpatch: dissa... |
2256 2257 2258 |
#print "from<$from> to<$to> "; if ($from ne $to) { |
000d1cc18 checkpatch.pl: ad... |
2259 2260 2261 |
ERROR("POINTER_LOCATION", "\"(foo$from)\" should be \"(foo$to)\" " . $herecurr); |
65863862b checkpatch: dissa... |
2262 |
} |
00ef4ece0 checkpatch: corre... |
2263 |
} elsif ($line =~ m{\b$NonptrType(\s*(?:$Modifier\b\s*|\*\s*)+)($Ident)}) { |
65863862b checkpatch: dissa... |
2264 2265 2266 2267 2268 2269 2270 |
my ($from, $to, $ident) = ($1, $1, $2); # Should start with a space. $to =~ s/^(\S)/ $1/; # Should not end with a space. $to =~ s/\s+$//; # '*'s should not have spaces between. |
f9a0b3d17 checkpatch: type/... |
2271 |
while ($to =~ s/\*\s+\*/\*\*/) { |
65863862b checkpatch: dissa... |
2272 2273 2274 |
} # Modifiers should have spaces. $to =~ s/(\b$Modifier$)/$1 /; |
d8aaf1214 update checkpatch... |
2275 |
|
667026e7b checkpatch: a mod... |
2276 2277 2278 |
#print "from<$from> to<$to> ident<$ident> "; if ($from ne $to && $ident !~ /^$Modifier$/) { |
000d1cc18 checkpatch.pl: ad... |
2279 2280 2281 |
ERROR("POINTER_LOCATION", "\"foo${from}bar\" should be \"foo${to}bar\" " . $herecurr); |
65863862b checkpatch: dissa... |
2282 |
} |
0a920b5b6 add a trivial pat... |
2283 2284 2285 2286 2287 2288 2289 2290 2291 |
} # # no BUG() or BUG_ON() # if ($line =~ /\b(BUG|BUG_ON)\b/) { # print "Try to use WARN_ON & Recovery code rather than BUG() or BUG_ON() "; # print "$herecurr"; # $clean = 0; # } |
8905a67c6 update checkpatch... |
2292 |
if ($line =~ /\bLINUX_VERSION_CODE\b/) { |
000d1cc18 checkpatch.pl: ad... |
2293 2294 2295 |
WARN("LINUX_VERSION_CODE", "LINUX_VERSION_CODE should be avoided, code should be for the version to which it is merged " . $herecurr); |
8905a67c6 update checkpatch... |
2296 |
} |
17441227f checkpatch: add w... |
2297 2298 |
# check for uses of printk_ratelimit if ($line =~ /\bprintk_ratelimit\s*\(/) { |
000d1cc18 checkpatch.pl: ad... |
2299 2300 2301 |
WARN("PRINTK_RATELIMITED", "Prefer printk_ratelimited or pr_<level>_ratelimited to printk_ratelimit " . $herecurr); |
17441227f checkpatch: add w... |
2302 |
} |
00df344fd update checkpatch... |
2303 2304 2305 |
# printk should use KERN_* levels. Note that follow on printk's on the # same line do not need a level, so we use the current block context # to try and find and validate the current printk. In summary the current |
25985edce Fix common misspe... |
2306 |
# printk includes all preceding printk's which have no newline on the end. |
00df344fd update checkpatch... |
2307 |
# we assume the first bad printk is the one to report. |
f0a594c1c update checkpatch... |
2308 |
if ($line =~ /\bprintk\((?!KERN_)\s*"/) { |
00df344fd update checkpatch... |
2309 2310 2311 2312 |
my $ok = 0; for (my $ln = $linenr - 1; $ln >= $first_line; $ln--) { #print "CHECK<$lines[$ln - 1] "; |
25985edce Fix common misspe... |
2313 |
# we have a preceding printk if it ends |
00df344fd update checkpatch... |
2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 |
# with " " ignore it, else it is to blame if ($lines[$ln - 1] =~ m{\bprintk\(}) { if ($rawlines[$ln - 1] !~ m{\ "}) { $ok = 1; } last; } } if ($ok == 0) { |
000d1cc18 checkpatch.pl: ad... |
2325 2326 2327 |
WARN("PRINTK_WITHOUT_KERN_LEVEL", "printk() should include KERN_ facility level " . $herecurr); |
00df344fd update checkpatch... |
2328 |
} |
0a920b5b6 add a trivial pat... |
2329 |
} |
653d4876b update checkpatch... |
2330 2331 |
# function brace can't be on same line, except for #defines of do while, # or if closed on same line |
c45dcabd2 update checkpatch... |
2332 2333 |
if (($line=~/$Type\s*$Ident\(.*\).*\s{/) and !($line=~/\#\s*define.*do\s{/) and !($line=~/}/)) { |
000d1cc18 checkpatch.pl: ad... |
2334 2335 2336 |
ERROR("OPEN_BRACE", "open brace '{' following function declarations go on the next line " . $herecurr); |
0a920b5b6 add a trivial pat... |
2337 |
} |
653d4876b update checkpatch... |
2338 |
|
8905a67c6 update checkpatch... |
2339 2340 2341 |
# open braces for enum, union and struct go on the same line. if ($line =~ /^.\s*{/ && $prevline =~ /^.\s*(?:typedef\s+)?(enum|union|struct)(?:\s+$Ident)?\s*$/) { |
000d1cc18 checkpatch.pl: ad... |
2342 2343 2344 |
ERROR("OPEN_BRACE", "open brace '{' following $1 go on the same line " . $hereprev); |
8905a67c6 update checkpatch... |
2345 |
} |
0c73b4eb7 checkpatch: simpl... |
2346 2347 |
# missing space after union, struct or enum definition if ($line =~ /^.\s*(?:typedef\s+)?(enum|union|struct)(?:\s+$Ident)?(?:\s+$Ident)?[=\{]/) { |
000d1cc18 checkpatch.pl: ad... |
2348 2349 2350 |
WARN("SPACING", "missing space after $1 definition " . $herecurr); |
0c73b4eb7 checkpatch: simpl... |
2351 |
} |
8d31cfcec checkpatch: check... |
2352 2353 |
# check for spacing round square brackets; allowed: # 1. with a type on the left -- int [] a; |
fe2a7dbc8 checkpatch: squar... |
2354 2355 |
# 2. at the beginning of a line for slice initialisers -- [0...10] = 5, # 3. inside a curly brace -- = { [0...10] = 5 } |
8d31cfcec checkpatch: check... |
2356 2357 2358 |
while ($line =~ /(.*?\s)\[/g) { my ($where, $prefix) = ($-[1], $1); if ($prefix !~ /$Type\s+$/ && |
fe2a7dbc8 checkpatch: squar... |
2359 2360 |
($where != 0 || $prefix !~ /^.\s+$/) && $prefix !~ /{\s+$/) { |
000d1cc18 checkpatch.pl: ad... |
2361 2362 2363 |
ERROR("BRACKET_SPACE", "space prohibited before open square bracket '[' " . $herecurr); |
8d31cfcec checkpatch: check... |
2364 2365 |
} } |
f0a594c1c update checkpatch... |
2366 |
# check for spaces between functions and their parentheses. |
6c72ffaab update checkpatch... |
2367 |
while ($line =~ /($Ident)\s+\(/g) { |
c2fdda0df update checkpatch... |
2368 |
my $name = $1; |
773647a09 update checkpatch... |
2369 2370 |
my $ctx_before = substr($line, 0, $-[1]); my $ctx = "$ctx_before$name"; |
c2fdda0df update checkpatch... |
2371 2372 |
# Ignore those directives where spaces _are_ permitted. |
773647a09 update checkpatch... |
2373 2374 2375 2376 2377 2378 |
if ($name =~ /^(?: if|for|while|switch|return|case| volatile|__volatile__| __attribute__|format|__extension__| asm|__asm__)$/x) { |
c2fdda0df update checkpatch... |
2379 2380 2381 2382 |
# cpp #define statements have non-optional spaces, ie # if there is a space between the name and the open # parenthesis it is simply not a parameter group. |
c45dcabd2 update checkpatch... |
2383 |
} elsif ($ctx_before =~ /^.\s*\#\s*define\s*$/) { |
773647a09 update checkpatch... |
2384 2385 |
# cpp #elif statement condition may start with a ( |
c45dcabd2 update checkpatch... |
2386 |
} elsif ($ctx =~ /^.\s*\#\s*elif\s*$/) { |
c2fdda0df update checkpatch... |
2387 2388 2389 |
# If this whole things ends with a type its most # likely a typedef for a function. |
773647a09 update checkpatch... |
2390 |
} elsif ($ctx =~ /$Type$/) { |
c2fdda0df update checkpatch... |
2391 2392 |
} else { |
000d1cc18 checkpatch.pl: ad... |
2393 2394 2395 |
WARN("SPACING", "space prohibited between function name and open parenthesis '(' " . $herecurr); |
6c72ffaab update checkpatch... |
2396 |
} |
f0a594c1c update checkpatch... |
2397 |
} |
653d4876b update checkpatch... |
2398 |
# Check operator spacing. |
0a920b5b6 add a trivial pat... |
2399 |
if (!($line=~/\#\s*include/)) { |
9c0ca6f9a update checkpatch... |
2400 2401 2402 2403 |
my $ops = qr{ <<=|>>=|<=|>=|==|!=| \+=|-=|\*=|\/=|%=|\^=|\|=|&=| =>|->|<<|>>|<|>|=|!|~| |
1f65f947a checkpatch: add c... |
2404 2405 |
&&|\|\||,|\^|\+\+|--|&|\||\+|-|\*|\/|%| \?|: |
9c0ca6f9a update checkpatch... |
2406 |
}x; |
cf655043d update checkpatch... |
2407 |
my @elements = split(/($ops|;)/, $opline); |
00df344fd update checkpatch... |
2408 |
my $off = 0; |
6c72ffaab update checkpatch... |
2409 2410 |
my $blank = copy_spacing($opline); |
0a920b5b6 add a trivial pat... |
2411 |
for (my $n = 0; $n < $#elements; $n += 2) { |
4a0df2ef4 update checkpatch... |
2412 |
$off += length($elements[$n]); |
25985edce Fix common misspe... |
2413 |
# Pick up the preceding and succeeding characters. |
773647a09 update checkpatch... |
2414 2415 2416 2417 2418 2419 |
my $ca = substr($opline, 0, $off); my $cc = ''; if (length($opline) >= ($off + length($elements[$n + 1]))) { $cc = substr($opline, $off + length($elements[$n + 1])); } my $cb = "$ca$;$cc"; |
4a0df2ef4 update checkpatch... |
2420 2421 2422 |
my $a = ''; $a = 'V' if ($elements[$n] ne ''); $a = 'W' if ($elements[$n] =~ /\s$/); |
cf655043d update checkpatch... |
2423 |
$a = 'C' if ($elements[$n] =~ /$;$/); |
4a0df2ef4 update checkpatch... |
2424 2425 |
$a = 'B' if ($elements[$n] =~ /(\[|\()$/); $a = 'O' if ($elements[$n] eq ''); |
773647a09 update checkpatch... |
2426 |
$a = 'E' if ($ca =~ /^\s*$/); |
4a0df2ef4 update checkpatch... |
2427 |
|
0a920b5b6 add a trivial pat... |
2428 |
my $op = $elements[$n + 1]; |
4a0df2ef4 update checkpatch... |
2429 2430 |
my $c = ''; |
0a920b5b6 add a trivial pat... |
2431 |
if (defined $elements[$n + 2]) { |
4a0df2ef4 update checkpatch... |
2432 2433 |
$c = 'V' if ($elements[$n + 2] ne ''); $c = 'W' if ($elements[$n + 2] =~ /^\s/); |
cf655043d update checkpatch... |
2434 |
$c = 'C' if ($elements[$n + 2] =~ /^$;/); |
4a0df2ef4 update checkpatch... |
2435 2436 |
$c = 'B' if ($elements[$n + 2] =~ /^(\)|\]|;)/); $c = 'O' if ($elements[$n + 2] eq ''); |
8b1b33786 checkpatch: fix c... |
2437 |
$c = 'E' if ($elements[$n + 2] =~ /^\s*\\$/); |
4a0df2ef4 update checkpatch... |
2438 2439 |
} else { $c = 'E'; |
0a920b5b6 add a trivial pat... |
2440 |
} |
4a0df2ef4 update checkpatch... |
2441 2442 2443 |
my $ctx = "${a}x${c}"; my $at = "(ctx:$ctx)"; |
6c72ffaab update checkpatch... |
2444 |
my $ptr = substr($blank, 0, $off) . "^"; |
de7d4f0e1 update checkpatch... |
2445 2446 |
my $hereptr = "$hereline$ptr "; |
0a920b5b6 add a trivial pat... |
2447 |
|
74048ed81 checkpatch: varia... |
2448 |
# Pull out the value of this operator. |
6c72ffaab update checkpatch... |
2449 |
my $op_type = substr($curr_values, $off + 1, 1); |
0a920b5b6 add a trivial pat... |
2450 |
|
1f65f947a checkpatch: add c... |
2451 2452 |
# Get the full operator variant. my $opv = $op . substr($curr_vars, $off, 1); |
13214adf7 update checkpatch... |
2453 2454 2455 |
# Ignore operators passed as parameters. if ($op_type ne 'V' && $ca =~ /\s$/ && $cc =~ /^\s*,/) { |
cf655043d update checkpatch... |
2456 2457 |
# # Ignore comments # } elsif ($op =~ /^$;+$/) { |
13214adf7 update checkpatch... |
2458 |
|
d8aaf1214 update checkpatch... |
2459 |
# ; should have either the end of line or a space or \ after it |
13214adf7 update checkpatch... |
2460 |
} elsif ($op eq ';') { |
cf655043d update checkpatch... |
2461 2462 |
if ($ctx !~ /.x[WEBC]/ && $cc !~ /^\\/ && $cc !~ /^;/) { |
000d1cc18 checkpatch.pl: ad... |
2463 2464 2465 |
ERROR("SPACING", "space required after that '$op' $at " . $hereptr); |
d8aaf1214 update checkpatch... |
2466 2467 2468 2469 |
} # // is a comment } elsif ($op eq '//') { |
0a920b5b6 add a trivial pat... |
2470 |
|
1f65f947a checkpatch: add c... |
2471 2472 2473 2474 |
# No spaces for: # -> # : when part of a bitfield } elsif ($op eq '->' || $opv eq ':B') { |
4a0df2ef4 update checkpatch... |
2475 |
if ($ctx =~ /Wx.|.xW/) { |
000d1cc18 checkpatch.pl: ad... |
2476 2477 2478 |
ERROR("SPACING", "spaces prohibited around that '$op' $at " . $hereptr); |
0a920b5b6 add a trivial pat... |
2479 2480 2481 2482 |
} # , must have a space on the right. } elsif ($op eq ',') { |
cf655043d update checkpatch... |
2483 |
if ($ctx !~ /.x[WEC]/ && $cc !~ /^}/) { |
000d1cc18 checkpatch.pl: ad... |
2484 2485 2486 |
ERROR("SPACING", "space required after that '$op' $at " . $hereptr); |
0a920b5b6 add a trivial pat... |
2487 |
} |
9c0ca6f9a update checkpatch... |
2488 |
# '*' as part of a type definition -- reported already. |
74048ed81 checkpatch: varia... |
2489 |
} elsif ($opv eq '*_') { |
9c0ca6f9a update checkpatch... |
2490 2491 2492 2493 2494 2495 2496 |
#warn "'*' is part of type "; # unary operators should have a space before and # none after. May be left adjacent to another # unary operator, or a cast } elsif ($op eq '!' || $op eq '~' || |
74048ed81 checkpatch: varia... |
2497 |
$opv eq '*U' || $opv eq '-U' || |
0d413866c checkpatch: value... |
2498 |
$opv eq '&U' || $opv eq '&&U') { |
cf655043d update checkpatch... |
2499 |
if ($ctx !~ /[WEBC]x./ && $ca !~ /(?:\)|!|~|\*|-|\&|\||\+\+|\-\-|\{)$/) { |
000d1cc18 checkpatch.pl: ad... |
2500 2501 2502 |
ERROR("SPACING", "space required before that '$op' $at " . $hereptr); |
0a920b5b6 add a trivial pat... |
2503 |
} |
a3340b357 checkpatch: point... |
2504 |
if ($op eq '*' && $cc =~/\s*$Modifier\b/) { |
171ae1a49 update checkpatch... |
2505 2506 2507 |
# A unary '*' may be const } elsif ($ctx =~ /.xW/) { |
000d1cc18 checkpatch.pl: ad... |
2508 2509 2510 |
ERROR("SPACING", "space prohibited after that '$op' $at " . $hereptr); |
0a920b5b6 add a trivial pat... |
2511 2512 2513 2514 |
} # unary ++ and unary -- are allowed no space on one side. } elsif ($op eq '++' or $op eq '--') { |
773647a09 update checkpatch... |
2515 |
if ($ctx !~ /[WEOBC]x[^W]/ && $ctx !~ /[^W]x[WOBEC]/) { |
000d1cc18 checkpatch.pl: ad... |
2516 2517 2518 |
ERROR("SPACING", "space required one side of that '$op' $at " . $hereptr); |
773647a09 update checkpatch... |
2519 2520 2521 |
} if ($ctx =~ /Wx[BE]/ || ($ctx =~ /Wx./ && $cc =~ /^;/)) { |
000d1cc18 checkpatch.pl: ad... |
2522 2523 2524 |
ERROR("SPACING", "space prohibited before that '$op' $at " . $hereptr); |
0a920b5b6 add a trivial pat... |
2525 |
} |
773647a09 update checkpatch... |
2526 |
if ($ctx =~ /ExW/) { |
000d1cc18 checkpatch.pl: ad... |
2527 2528 2529 |
ERROR("SPACING", "space prohibited after that '$op' $at " . $hereptr); |
653d4876b update checkpatch... |
2530 |
} |
0a920b5b6 add a trivial pat... |
2531 |
|
773647a09 update checkpatch... |
2532 |
|
0a920b5b6 add a trivial pat... |
2533 |
# << and >> may either have or not have spaces both sides |
9c0ca6f9a update checkpatch... |
2534 2535 2536 |
} elsif ($op eq '<<' or $op eq '>>' or $op eq '&' or $op eq '^' or $op eq '|' or $op eq '+' or $op eq '-' or |
c2fdda0df update checkpatch... |
2537 2538 |
$op eq '*' or $op eq '/' or $op eq '%') |
0a920b5b6 add a trivial pat... |
2539 |
{ |
773647a09 update checkpatch... |
2540 |
if ($ctx =~ /Wx[^WCE]|[^WCE]xW/) { |
000d1cc18 checkpatch.pl: ad... |
2541 2542 2543 |
ERROR("SPACING", "need consistent spacing around '$op' $at " . |
de7d4f0e1 update checkpatch... |
2544 |
$hereptr); |
0a920b5b6 add a trivial pat... |
2545 |
} |
1f65f947a checkpatch: add c... |
2546 2547 2548 2549 |
# A colon needs no spaces before when it is # terminating a case value or a label. } elsif ($opv eq ':C' || $opv eq ':L') { if ($ctx =~ /Wx./) { |
000d1cc18 checkpatch.pl: ad... |
2550 2551 2552 |
ERROR("SPACING", "space prohibited before that '$op' $at " . $hereptr); |
1f65f947a checkpatch: add c... |
2553 |
} |
0a920b5b6 add a trivial pat... |
2554 |
# All the others need spaces both sides. |
cf655043d update checkpatch... |
2555 |
} elsif ($ctx !~ /[EWC]x[CWE]/) { |
1f65f947a checkpatch: add c... |
2556 |
my $ok = 0; |
22f2a2ef9 update checkpatch... |
2557 |
# Ignore email addresses <foo@bar> |
1f65f947a checkpatch: add c... |
2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 |
if (($op eq '<' && $cc =~ /^\S+\@\S+>/) || ($op eq '>' && $ca =~ /<\S+\@\S+$/)) { $ok = 1; } # Ignore ?: if (($opv eq ':O' && $ca =~ /\?$/) || ($op eq '?' && $cc =~ /^:/)) { $ok = 1; } if ($ok == 0) { |
000d1cc18 checkpatch.pl: ad... |
2573 2574 2575 |
ERROR("SPACING", "spaces required around that '$op' $at " . $hereptr); |
22f2a2ef9 update checkpatch... |
2576 |
} |
0a920b5b6 add a trivial pat... |
2577 |
} |
4a0df2ef4 update checkpatch... |
2578 |
$off += length($elements[$n + 1]); |
0a920b5b6 add a trivial pat... |
2579 2580 |
} } |
f0a594c1c update checkpatch... |
2581 2582 |
# check for multiple assignments if ($line =~ /^.\s*$Lval\s*=\s*$Lval\s*=(?!=)/) { |
000d1cc18 checkpatch.pl: ad... |
2583 2584 2585 |
CHK("MULTIPLE_ASSIGNMENTS", "multiple assignments should be avoided " . $herecurr); |
f0a594c1c update checkpatch... |
2586 |
} |
22f2a2ef9 update checkpatch... |
2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 |
## # check for multiple declarations, allowing for a function declaration ## # continuation. ## if ($line =~ /^.\s*$Type\s+$Ident(?:\s*=[^,{]*)?\s*,\s*$Ident.*/ && ## $line !~ /^.\s*$Type\s+$Ident(?:\s*=[^,{]*)?\s*,\s*$Type\s*$Ident.*/) { ## ## # Remove any bracketed sections to ensure we do not ## # falsly report the parameters of functions. ## my $ln = $line; ## while ($ln =~ s/\([^\(\)]*\)//g) { ## } ## if ($ln =~ /,/) { |
000d1cc18 checkpatch.pl: ad... |
2598 2599 2600 |
## WARN("MULTIPLE_DECLARATION", ## "declaring multiple variables together should be avoided " . $herecurr); |
22f2a2ef9 update checkpatch... |
2601 2602 |
## } ## } |
f0a594c1c update checkpatch... |
2603 |
|
0a920b5b6 add a trivial pat... |
2604 |
#need space before brace following if, while, etc |
22f2a2ef9 update checkpatch... |
2605 2606 |
if (($line =~ /\(.*\){/ && $line !~ /\($Type\){/) || $line =~ /do{/) { |
000d1cc18 checkpatch.pl: ad... |
2607 2608 2609 |
ERROR("SPACING", "space required before the open brace '{' " . $herecurr); |
de7d4f0e1 update checkpatch... |
2610 2611 2612 2613 2614 |
} # closing brace should have a space following it when it has anything # on the line if ($line =~ /}(?!(?:,|;|\)))\S/) { |
000d1cc18 checkpatch.pl: ad... |
2615 2616 2617 |
ERROR("SPACING", "space required after that close brace '}' " . $herecurr); |
0a920b5b6 add a trivial pat... |
2618 |
} |
22f2a2ef9 update checkpatch... |
2619 2620 |
# check spacing on square brackets if ($line =~ /\[\s/ && $line !~ /\[\s*$/) { |
000d1cc18 checkpatch.pl: ad... |
2621 2622 2623 |
ERROR("SPACING", "space prohibited after that open square bracket '[' " . $herecurr); |
22f2a2ef9 update checkpatch... |
2624 2625 |
} if ($line =~ /\s\]/) { |
000d1cc18 checkpatch.pl: ad... |
2626 2627 2628 |
ERROR("SPACING", "space prohibited before that close square bracket ']' " . $herecurr); |
22f2a2ef9 update checkpatch... |
2629 |
} |
c45dcabd2 update checkpatch... |
2630 |
# check spacing on parentheses |
9c0ca6f9a update checkpatch... |
2631 2632 |
if ($line =~ /\(\s/ && $line !~ /\(\s*(?:\\)?$/ && $line !~ /for\s*\(\s+;/) { |
000d1cc18 checkpatch.pl: ad... |
2633 2634 2635 |
ERROR("SPACING", "space prohibited after that open parenthesis '(' " . $herecurr); |
22f2a2ef9 update checkpatch... |
2636 |
} |
13214adf7 update checkpatch... |
2637 |
if ($line =~ /(\s+)\)/ && $line !~ /^.\s*\)/ && |
c45dcabd2 update checkpatch... |
2638 2639 |
$line !~ /for\s*\(.*;\s+\)/ && $line !~ /:\s+\)/) { |
000d1cc18 checkpatch.pl: ad... |
2640 2641 2642 |
ERROR("SPACING", "space prohibited before that close parenthesis ')' " . $herecurr); |
22f2a2ef9 update checkpatch... |
2643 |
} |
0a920b5b6 add a trivial pat... |
2644 |
#goto labels aren't indented, allow a single space however |
4a0df2ef4 update checkpatch... |
2645 |
if ($line=~/^.\s+[A-Za-z\d_]+:(?![0-9]+)/ and |
0a920b5b6 add a trivial pat... |
2646 |
!($line=~/^. [A-Za-z\d_]+:/) and !($line=~/^.\s+default:/)) { |
000d1cc18 checkpatch.pl: ad... |
2647 2648 2649 |
WARN("INDENTED_LABEL", "labels should not be indented " . $herecurr); |
0a920b5b6 add a trivial pat... |
2650 |
} |
c45dcabd2 update checkpatch... |
2651 2652 2653 2654 |
# Return is not a function. if (defined($stat) && $stat =~ /^.\s*return(\s*)(\(.*);/s) { my $spacing = $1; my $value = $2; |
86f9d059c checkpatch: allow... |
2655 |
# Flatten any parentheses |
fb2d2c1b5 checkpatch: ensur... |
2656 2657 |
$value =~ s/\(/ \(/g; $value =~ s/\)/\) /g; |
63f17f897 checkpatch: allow... |
2658 2659 2660 2661 2662 |
while ($value =~ s/\[[^\{\}]*\]/1/ || $value !~ /(?:$Ident|-?$Constant)\s* $Compare\s* (?:$Ident|-?$Constant)/x && $value =~ s/\([^\(\)]*\)/1/) { |
c45dcabd2 update checkpatch... |
2663 |
} |
fb2d2c1b5 checkpatch: ensur... |
2664 2665 2666 |
#print "value<$value> "; if ($value =~ /^\s*(?:$Ident|-?$Constant)\s*$/) { |
000d1cc18 checkpatch.pl: ad... |
2667 2668 2669 |
ERROR("RETURN_PARENTHESES", "return is not a function, parentheses are not required " . $herecurr); |
c45dcabd2 update checkpatch... |
2670 2671 |
} elsif ($spacing !~ /\s+/) { |
000d1cc18 checkpatch.pl: ad... |
2672 2673 2674 |
ERROR("SPACING", "space required before the open parenthesis '(' " . $herecurr); |
c45dcabd2 update checkpatch... |
2675 2676 |
} } |
53a3c4487 checkpatch: retur... |
2677 2678 2679 2680 |
# Return of what appears to be an errno should normally be -'ve if ($line =~ /^.\s*return\s*(E[A-Z]*)\s*;/) { my $name = $1; if ($name ne 'EOF' && $name ne 'ERROR') { |
000d1cc18 checkpatch.pl: ad... |
2681 2682 2683 |
WARN("USE_NEGATIVE_ERRNO", "return of an errno should typically be -ve (return -$1) " . $herecurr); |
53a3c4487 checkpatch: retur... |
2684 2685 |
} } |
c45dcabd2 update checkpatch... |
2686 |
|
7d2367af0 checkpatch: sugge... |
2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 |
# typecasts on min/max could be min_t/max_t if ($line =~ /^\+(?:.*?)\b(min|max)\s*\($Typecast{0,1}($LvalOrFunc)\s*,\s*$Typecast{0,1}($LvalOrFunc)\s*\)/) { if (defined $2 || defined $8) { my $call = $1; my $cast1 = deparenthesize($2); my $arg1 = $3; my $cast2 = deparenthesize($8); my $arg2 = $9; my $cast; if ($cast1 ne "" && $cast2 ne "") { $cast = "$cast1 or $cast2"; } elsif ($cast1 ne "") { $cast = $cast1; } else { $cast = $cast2; } |
30ecad518 checkpatch: add m... |
2704 2705 2706 |
WARN("MINMAX", "$call() should probably be ${call}_t($cast, $arg1, $arg2) " . $herecurr); |
7d2367af0 checkpatch: sugge... |
2707 2708 |
} } |
0a920b5b6 add a trivial pat... |
2709 |
# Need a space before open parenthesis after if, while etc |
4a0df2ef4 update checkpatch... |
2710 |
if ($line=~/\b(if|while|for|switch)\(/) { |
000d1cc18 checkpatch.pl: ad... |
2711 2712 |
ERROR("SPACING", "space required before the open parenthesis '(' " . $herecurr); |
0a920b5b6 add a trivial pat... |
2713 |
} |
f5fe35dd9 checkpatch: condi... |
2714 2715 |
# Check for illegal assignment in if conditional -- and check for trailing # statements after the conditional. |
170d3a226 checkpatch: handl... |
2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 |
if ($line =~ /do\s*(?!{)/) { my ($stat_next) = ctx_statement_block($line_nr_next, $remain_next, $off_next); $stat_next =~ s/ ./ /g; ##print "stat<$stat> stat_next<$stat_next> "; if ($stat_next =~ /^\s*while\b/) { # If the statement carries leading newlines, # then count those as offsets. my ($whitespace) = ($stat_next =~ /^((?:\s* [+-])*\s*)/s); my $offset = statement_rawlines($whitespace) - 1; $suppress_whiletrailers{$line_nr_next + $offset} = 1; } } if (!defined $suppress_whiletrailers{$linenr} && $line =~ /\b(?:if|while|for)\s*\(/ && $line !~ /^.\s*#/) { |
171ae1a49 update checkpatch... |
2740 |
my ($s, $c) = ($stat, $cond); |
8905a67c6 update checkpatch... |
2741 |
|
b53c8e104 checkpatch: ensur... |
2742 |
if ($c =~ /\bif\s*\(.*[^<>!=]=[^=].*/s) { |
000d1cc18 checkpatch.pl: ad... |
2743 2744 2745 |
ERROR("ASSIGN_IN_IF", "do not use assignment in if condition " . $herecurr); |
8905a67c6 update checkpatch... |
2746 2747 2748 2749 |
} # Find out what is on the end of the line after the # conditional. |
773647a09 update checkpatch... |
2750 |
substr($s, 0, length($c), ''); |
8905a67c6 update checkpatch... |
2751 2752 |
$s =~ s/ .*//g; |
13214adf7 update checkpatch... |
2753 |
$s =~ s/$;//g; # Remove any comments |
53210168f checkpatch: tough... |
2754 2755 |
if (length($c) && $s !~ /^\s*{?\s*\\*\s*$/ && $c !~ /}\s*while\s*/) |
773647a09 update checkpatch... |
2756 |
{ |
bb44ad39c checkpatch: trail... |
2757 2758 2759 2760 |
# Find out how long the conditional actually is. my @newlines = ($c =~ / /gs); my $cond_lines = 1 + $#newlines; |
42bdf74c9 checkpatch: trivi... |
2761 |
my $stat_real = ''; |
bb44ad39c checkpatch: trail... |
2762 |
|
42bdf74c9 checkpatch: trivi... |
2763 2764 2765 |
$stat_real = raw_line($linenr, $cond_lines) . " " if ($cond_lines); |
bb44ad39c checkpatch: trail... |
2766 2767 2768 2769 |
if (defined($stat_real) && $cond_lines > 1) { $stat_real = "[...] $stat_real"; } |
000d1cc18 checkpatch.pl: ad... |
2770 2771 2772 |
ERROR("TRAILING_STATEMENTS", "trailing statements should be on next line " . $herecurr . $stat_real); |
8905a67c6 update checkpatch... |
2773 2774 |
} } |
13214adf7 update checkpatch... |
2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 |
# Check for bitwise tests written as boolean if ($line =~ / (?: (?:\[|\(|\&\&|\|\|) \s*0[xX][0-9]+\s* (?:\&\&|\|\|) | (?:\&\&|\|\|) \s*0[xX][0-9]+\s* (?:\&\&|\|\||\)|\]) )/x) { |
000d1cc18 checkpatch.pl: ad... |
2787 2788 2789 |
WARN("HEXADECIMAL_BOOLEAN_TEST", "boolean test with hexadecimal, perhaps just 1 \& or \|? " . $herecurr); |
13214adf7 update checkpatch... |
2790 |
} |
8905a67c6 update checkpatch... |
2791 |
# if and else should not have general statements after it |
13214adf7 update checkpatch... |
2792 2793 2794 2795 |
if ($line =~ /^.\s*(?:}\s*)?else\b(.*)/) { my $s = $1; $s =~ s/$;//g; # Remove any comments if ($s !~ /^\s*(?:\sif|(?:{|)\s*\\?\s*$)/) { |
000d1cc18 checkpatch.pl: ad... |
2796 2797 2798 |
ERROR("TRAILING_STATEMENTS", "trailing statements should be on next line " . $herecurr); |
13214adf7 update checkpatch... |
2799 |
} |
0a920b5b6 add a trivial pat... |
2800 |
} |
396677823 checkpatch: if sh... |
2801 2802 |
# if should not continue a brace if ($line =~ /}\s*if\b/) { |
000d1cc18 checkpatch.pl: ad... |
2803 2804 2805 |
ERROR("TRAILING_STATEMENTS", "trailing statements should be on next line " . |
396677823 checkpatch: if sh... |
2806 2807 |
$herecurr); } |
a1080bf80 checkpatch: case/... |
2808 2809 2810 |
# case and default should not have general statements after them if ($line =~ /^.\s*(?:case\s*.*|default\s*):/g && $line !~ /\G(?: |
3fef12d6c checkpatch: allow... |
2811 |
(?:\s*$;*)(?:\s*{)?(?:\s*$;*)(?:\s*\\)?\s*$| |
a1080bf80 checkpatch: case/... |
2812 2813 2814 |
\s*return\s+ )/xg) { |
000d1cc18 checkpatch.pl: ad... |
2815 2816 2817 |
ERROR("TRAILING_STATEMENTS", "trailing statements should be on next line " . $herecurr); |
a1080bf80 checkpatch: case/... |
2818 |
} |
0a920b5b6 add a trivial pat... |
2819 2820 2821 2822 2823 |
# Check for }<nl>else {, these must be at the same # indent level to be relevant to each other. if ($prevline=~/}\s*$/ and $line=~/^.\s*else\s*/ and $previndent == $indent) { |
000d1cc18 checkpatch.pl: ad... |
2824 2825 2826 |
ERROR("ELSE_AFTER_BRACE", "else should follow close brace '}' " . $hereprev); |
0a920b5b6 add a trivial pat... |
2827 |
} |
c2fdda0df update checkpatch... |
2828 2829 2830 2831 2832 2833 |
if ($prevline=~/}\s*$/ and $line=~/^.\s*while\s*/ and $previndent == $indent) { my ($s, $c) = ctx_statement_block($linenr, $realcnt, 0); # Find out what is on the end of the line after the # conditional. |
773647a09 update checkpatch... |
2834 |
substr($s, 0, length($c), ''); |
c2fdda0df update checkpatch... |
2835 2836 2837 2838 |
$s =~ s/ .*//g; if ($s =~ /^\s*;/) { |
000d1cc18 checkpatch.pl: ad... |
2839 2840 2841 |
ERROR("WHILE_AFTER_BRACE", "while should follow close brace '}' " . $hereprev); |
c2fdda0df update checkpatch... |
2842 2843 |
} } |
0a920b5b6 add a trivial pat... |
2844 2845 2846 2847 2848 2849 2850 2851 2852 |
#studly caps, commented out until figure out how to distinguish between use of existing and adding new # if (($line=~/[\w_][a-z\d]+[A-Z]/) and !($line=~/print/)) { # print "No studly caps, use _ "; # print "$herecurr"; # $clean = 0; # } #no spaces allowed after \ in define |
c45dcabd2 update checkpatch... |
2853 |
if ($line=~/\#\s*define.*\\\s$/) { |
000d1cc18 checkpatch.pl: ad... |
2854 2855 2856 |
WARN("WHITESPACE_AFTER_LINE_CONTINUATION", "Whitepspace after \\ makes next lines useless " . $herecurr); |
0a920b5b6 add a trivial pat... |
2857 |
} |
653d4876b update checkpatch... |
2858 |
#warn if <asm/foo.h> is #included and <linux/foo.h> is available (uses RAW line) |
c45dcabd2 update checkpatch... |
2859 |
if ($tree && $rawline =~ m{^.\s*\#\s*include\s*\<asm\/(.*)\.h\>}) { |
e09dec483 checkpatch: reduc... |
2860 2861 2862 2863 |
my $file = "$1.h"; my $checkfile = "include/linux/$file"; if (-f "$root/$checkfile" && $realfile ne $checkfile && |
7840a94cd checkpatch: refac... |
2864 |
$1 !~ /$allowed_asm_includes/) |
c45dcabd2 update checkpatch... |
2865 |
{ |
e09dec483 checkpatch: reduc... |
2866 |
if ($realfile =~ m{^arch/}) { |
000d1cc18 checkpatch.pl: ad... |
2867 2868 2869 |
CHK("ARCH_INCLUDE_LINUX", "Consider using #include <linux/$file> instead of <asm/$file> " . $herecurr); |
e09dec483 checkpatch: reduc... |
2870 |
} else { |
000d1cc18 checkpatch.pl: ad... |
2871 2872 2873 |
WARN("INCLUDE_LINUX", "Use #include <linux/$file> instead of <asm/$file> " . $herecurr); |
e09dec483 checkpatch: reduc... |
2874 |
} |
0a920b5b6 add a trivial pat... |
2875 2876 |
} } |
653d4876b update checkpatch... |
2877 2878 |
# multi-statement macros should be enclosed in a do while loop, grab the # first statement and ensure its the whole macro if its not enclosed |
cf655043d update checkpatch... |
2879 |
# in a known good container |
b8f96a31f checkpatch: macro... |
2880 2881 |
if ($realfile !~ m@/vmlinux.lds.h$@ && $line =~ /^.\s*\#\s*define\s*$Ident(\()?/) { |
d8aaf1214 update checkpatch... |
2882 2883 |
my $ln = $linenr; my $cnt = $realcnt; |
c45dcabd2 update checkpatch... |
2884 2885 |
my ($off, $dstat, $dcond, $rest); my $ctx = ''; |
653d4876b update checkpatch... |
2886 |
|
c45dcabd2 update checkpatch... |
2887 2888 2889 2890 2891 2892 2893 2894 2895 |
my $args = defined($1); # Find the end of the macro and limit our statement # search to that. while ($cnt > 0 && defined $lines[$ln - 1] && $lines[$ln - 1] =~ /^(?:-|..*\\$)/) { $ctx .= $rawlines[$ln - 1] . " "; |
a3bb97a7a checkpatch: macro... |
2896 |
$cnt-- if ($lines[$ln - 1] !~ /^-/); |
c45dcabd2 update checkpatch... |
2897 |
$ln++; |
c45dcabd2 update checkpatch... |
2898 2899 2900 2901 2902 2903 2904 |
} $ctx .= $rawlines[$ln - 1]; ($dstat, $dcond, $ln, $cnt, $off) = ctx_statement_block($linenr, $ln - $linenr + 1, 0); #print "dstat<$dstat> dcond<$dcond> cnt<$cnt> off<$off> "; |
a3bb97a7a checkpatch: macro... |
2905 2906 |
#print "LINE<$lines[$ln-1]> len<" . length($lines[$ln-1]) . " "; |
c45dcabd2 update checkpatch... |
2907 2908 2909 2910 |
# Extract the remainder of the define (if any) and # rip off surrounding spaces, and trailing \'s. $rest = ''; |
636d140a8 checkpatch: compl... |
2911 2912 2913 |
while ($off != 0 || ($cnt > 0 && $rest =~ /\\\s*$/)) { #print "ADDING cnt<$cnt> $off <" . substr($lines[$ln - 1], $off) . "> rest<$rest> "; |
a3bb97a7a checkpatch: macro... |
2914 2915 2916 2917 2918 |
if ($off != 0 || $lines[$ln - 1] !~ /^-/) { $rest .= substr($lines[$ln - 1], $off) . " "; $cnt--; } |
c45dcabd2 update checkpatch... |
2919 |
$ln++; |
c45dcabd2 update checkpatch... |
2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 |
$off = 0; } $rest =~ s/\\ .//g; $rest =~ s/^\s*//s; $rest =~ s/\s*$//s; # Clean up the original statement. if ($args) { substr($dstat, 0, length($dcond), ''); } else { $dstat =~ s/^.\s*\#\s*define\s+$Ident\s*//; |
d8aaf1214 update checkpatch... |
2932 |
} |
292f1a9b3 checkpatch: compl... |
2933 |
$dstat =~ s/$;//g; |
c45dcabd2 update checkpatch... |
2934 2935 2936 2937 |
$dstat =~ s/\\ .//g; $dstat =~ s/^\s*//s; $dstat =~ s/\s*$//s; |
de7d4f0e1 update checkpatch... |
2938 |
|
c45dcabd2 update checkpatch... |
2939 |
# Flatten any parentheses and braces |
bf30d6ede checkpatch: compl... |
2940 2941 2942 2943 |
while ($dstat =~ s/\([^\(\)]*\)/1/ || $dstat =~ s/\{[^\{\}]*\}/1/ || $dstat =~ s/\[[^\{\}]*\]/1/) { |
de7d4f0e1 update checkpatch... |
2944 |
} |
d8aaf1214 update checkpatch... |
2945 |
|
c45dcabd2 update checkpatch... |
2946 2947 2948 2949 2950 2951 |
my $exceptions = qr{ $Declare| module_param_named| MODULE_PARAM_DESC| DECLARE_PER_CPU| DEFINE_PER_CPU| |
383099fd6 checkpatch: struc... |
2952 |
__typeof__\(| |
22fd2d3e4 checkpatch.pl: ad... |
2953 2954 |
union| struct| |
ea71a0a01 checkpatch: forma... |
2955 2956 |
\.$Ident\s*=\s*| ^\"|\"$ |
c45dcabd2 update checkpatch... |
2957 |
}x; |
5eaa20b98 checkpatch: clean... |
2958 2959 2960 |
#print "REST<$rest> dstat<$dstat> ctx<$ctx> "; if ($rest ne '' && $rest ne ',') { |
c45dcabd2 update checkpatch... |
2961 2962 2963 |
if ($rest !~ /while\s*\(/ && $dstat !~ /$exceptions/) { |
000d1cc18 checkpatch.pl: ad... |
2964 2965 2966 2967 2968 |
ERROR("MULTISTATEMENT_MACRO_USE_DO_WHILE", "Macros with multiple statements should be enclosed in a do - while loop " . "$here $ctx "); |
c45dcabd2 update checkpatch... |
2969 2970 2971 2972 2973 2974 |
} } elsif ($ctx !~ /;/) { if ($dstat ne '' && $dstat !~ /^(?:$Ident|-?$Constant)$/ && $dstat !~ /$exceptions/ && |
b132e5d58 checkpatch: macro... |
2975 |
$dstat !~ /^\.$Ident\s*=/ && |
c45dcabd2 update checkpatch... |
2976 2977 |
$dstat =~ /$Operators/) { |
000d1cc18 checkpatch.pl: ad... |
2978 2979 2980 2981 2982 |
ERROR("COMPLEX_MACRO", "Macros with complex values should be enclosed in parenthesis " . "$here $ctx "); |
d8aaf1214 update checkpatch... |
2983 |
} |
653d4876b update checkpatch... |
2984 |
} |
0a920b5b6 add a trivial pat... |
2985 |
} |
080ba9296 checkpatch: try t... |
2986 2987 2988 2989 2990 2991 |
# make sure symbols are always wrapped with VMLINUX_SYMBOL() ... # all assignments may have only one of the following with an assignment: # . # ALIGN(...) # VMLINUX_SYMBOL(...) if ($realfile eq 'vmlinux.lds.h' && $line =~ /(?:(?:^|\s)$Ident\s*=|=\s*$Ident(?:\s|$))/) { |
000d1cc18 checkpatch.pl: ad... |
2992 2993 2994 |
WARN("MISSING_VMLINUX_SYMBOL", "vmlinux.lds.h needs VMLINUX_SYMBOL() around C-visible symbols " . $herecurr); |
080ba9296 checkpatch: try t... |
2995 |
} |
f0a594c1c update checkpatch... |
2996 |
# check for redundant bracing round if etc |
13214adf7 update checkpatch... |
2997 2998 |
if ($line =~ /(^.*)\bif\b/ && $1 !~ /else\s*$/) { my ($level, $endln, @chunks) = |
cf655043d update checkpatch... |
2999 |
ctx_statement_full($linenr, $realcnt, 1); |
13214adf7 update checkpatch... |
3000 3001 |
#print "chunks<$#chunks> linenr<$linenr> endln<$endln> level<$level> "; |
cf655043d update checkpatch... |
3002 3003 3004 |
#print "APW: <<$chunks[1][0]>><<$chunks[1][1]>> "; if ($#chunks > 0 && $level == 0) { |
13214adf7 update checkpatch... |
3005 3006 |
my $allowed = 0; my $seen = 0; |
773647a09 update checkpatch... |
3007 3008 |
my $herectx = $here . " "; |
cf655043d update checkpatch... |
3009 |
my $ln = $linenr - 1; |
13214adf7 update checkpatch... |
3010 3011 |
for my $chunk (@chunks) { my ($cond, $block) = @{$chunk}; |
773647a09 update checkpatch... |
3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 |
# If the condition carries leading newlines, then count those as offsets. my ($whitespace) = ($cond =~ /^((?:\s* [+-])*\s*)/s); my $offset = statement_rawlines($whitespace) - 1; #print "COND<$cond> whitespace<$whitespace> offset<$offset> "; # We have looked at and allowed this specific line. $suppress_ifbraces{$ln + $offset} = 1; $herectx .= "$rawlines[$ln + $offset] [...] "; |
cf655043d update checkpatch... |
3026 |
$ln += statement_rawlines($block) - 1; |
773647a09 update checkpatch... |
3027 |
substr($block, 0, length($cond), ''); |
13214adf7 update checkpatch... |
3028 3029 |
$seen++ if ($block =~ /^\s*{/); |
cf655043d update checkpatch... |
3030 3031 3032 3033 3034 |
#print "cond<$cond> block<$block> allowed<$allowed> "; if (statement_lines($cond) > 1) { #print "APW: ALLOWED: cond<$cond> "; |
13214adf7 update checkpatch... |
3035 3036 3037 |
$allowed = 1; } if ($block =~/\b(?:if|for|while)\b/) { |
cf655043d update checkpatch... |
3038 3039 |
#print "APW: ALLOWED: block<$block> "; |
13214adf7 update checkpatch... |
3040 3041 |
$allowed = 1; } |
cf655043d update checkpatch... |
3042 3043 3044 |
if (statement_block_size($block) > 1) { #print "APW: ALLOWED: lines block<$block> "; |
13214adf7 update checkpatch... |
3045 3046 3047 3048 |
$allowed = 1; } } if ($seen && !$allowed) { |
000d1cc18 checkpatch.pl: ad... |
3049 3050 3051 |
WARN("BRACES", "braces {} are not necessary for any arm of this statement " . $herectx); |
13214adf7 update checkpatch... |
3052 3053 3054 |
} } } |
773647a09 update checkpatch... |
3055 |
if (!defined $suppress_ifbraces{$linenr - 1} && |
13214adf7 update checkpatch... |
3056 |
$line =~ /\b(if|while|for|else)\b/) { |
cf655043d update checkpatch... |
3057 3058 3059 3060 3061 3062 3063 3064 |
my $allowed = 0; # Check the pre-context. if (substr($line, 0, $-[0]) =~ /(\}\s*)$/) { #print "APW: ALLOWED: pre<$1> "; $allowed = 1; } |
773647a09 update checkpatch... |
3065 3066 3067 |
my ($level, $endln, @chunks) = ctx_statement_full($linenr, $realcnt, $-[0]); |
cf655043d update checkpatch... |
3068 3069 |
# Check the condition. my ($cond, $block) = @{$chunks[0]}; |
773647a09 update checkpatch... |
3070 3071 |
#print "CHECKING<$linenr> cond<$cond> block<$block> "; |
cf655043d update checkpatch... |
3072 |
if (defined $cond) { |
773647a09 update checkpatch... |
3073 |
substr($block, 0, length($cond), ''); |
cf655043d update checkpatch... |
3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 |
} if (statement_lines($cond) > 1) { #print "APW: ALLOWED: cond<$cond> "; $allowed = 1; } if ($block =~/\b(?:if|for|while)\b/) { #print "APW: ALLOWED: block<$block> "; $allowed = 1; } if (statement_block_size($block) > 1) { #print "APW: ALLOWED: lines block<$block> "; $allowed = 1; } # Check the post-context. if (defined $chunks[1]) { my ($cond, $block) = @{$chunks[1]}; if (defined $cond) { |
773647a09 update checkpatch... |
3094 |
substr($block, 0, length($cond), ''); |
cf655043d update checkpatch... |
3095 3096 3097 3098 3099 3100 3101 3102 |
} if ($block =~ /^\s*\{/) { #print "APW: ALLOWED: chunk-1 block<$block> "; $allowed = 1; } } if ($level == 0 && $block =~ /^\s*\{/ && !$allowed) { |
699324871 treewide: remove ... |
3103 3104 |
my $herectx = $here . " "; |
f055663c5 checkpatch: repor... |
3105 |
my $cnt = statement_rawlines($block); |
cf655043d update checkpatch... |
3106 |
|
f055663c5 checkpatch: repor... |
3107 |
for (my $n = 0; $n < $cnt; $n++) { |
699324871 treewide: remove ... |
3108 3109 |
$herectx .= raw_line($linenr, $n) . " "; |
f0a594c1c update checkpatch... |
3110 |
} |
cf655043d update checkpatch... |
3111 |
|
000d1cc18 checkpatch.pl: ad... |
3112 3113 3114 |
WARN("BRACES", "braces {} are not necessary for single statement blocks " . $herectx); |
f0a594c1c update checkpatch... |
3115 3116 |
} } |
653d4876b update checkpatch... |
3117 |
# don't include deprecated include files (uses RAW line) |
4a0df2ef4 update checkpatch... |
3118 |
for my $inc (@dep_includes) { |
c45dcabd2 update checkpatch... |
3119 |
if ($rawline =~ m@^.\s*\#\s*include\s*\<$inc>@) { |
000d1cc18 checkpatch.pl: ad... |
3120 3121 3122 |
ERROR("DEPRECATED_INCLUDE", "Don't use <$inc>: see Documentation/feature-removal-schedule.txt " . $herecurr); |
0a920b5b6 add a trivial pat... |
3123 3124 |
} } |
4a0df2ef4 update checkpatch... |
3125 3126 |
# don't use deprecated functions for my $func (@dep_functions) { |
00df344fd update checkpatch... |
3127 |
if ($line =~ /\b$func\b/) { |
000d1cc18 checkpatch.pl: ad... |
3128 3129 3130 |
ERROR("DEPRECATED_FUNCTION", "Don't use $func(): see Documentation/feature-removal-schedule.txt " . $herecurr); |
4a0df2ef4 update checkpatch... |
3131 3132 3133 3134 |
} } # no volatiles please |
6c72ffaab update checkpatch... |
3135 3136 |
my $asm_volatile = qr{\b(__asm__|asm)\s+(__volatile__|volatile)\b}; if ($line =~ /\bvolatile\b/ && $line !~ /$asm_volatile/) { |
000d1cc18 checkpatch.pl: ad... |
3137 3138 3139 |
WARN("VOLATILE", "Use of volatile is usually wrong: see Documentation/volatile-considered-harmful.txt " . $herecurr); |
4a0df2ef4 update checkpatch... |
3140 |
} |
00df344fd update checkpatch... |
3141 |
# warn about #if 0 |
c45dcabd2 update checkpatch... |
3142 |
if ($line =~ /^.\s*\#\s*if\s+0\b/) { |
000d1cc18 checkpatch.pl: ad... |
3143 3144 3145 |
CHK("REDUNDANT_CODE", "if this code is redundant consider removing it " . |
de7d4f0e1 update checkpatch... |
3146 |
$herecurr); |
4a0df2ef4 update checkpatch... |
3147 |
} |
f0a594c1c update checkpatch... |
3148 3149 3150 3151 |
# check for needless kfree() checks if ($prevline =~ /\bif\s*\(([^\)]*)\)/) { my $expr = $1; if ($line =~ /\bkfree\(\Q$expr\E\);/) { |
000d1cc18 checkpatch.pl: ad... |
3152 3153 3154 |
WARN("NEEDLESS_KFREE", "kfree(NULL) is safe this check is probably not required " . $hereprev); |
f0a594c1c update checkpatch... |
3155 3156 |
} } |
4c432a8f0 checkpatch: usb_f... |
3157 3158 3159 3160 |
# check for needless usb_free_urb() checks if ($prevline =~ /\bif\s*\(([^\)]*)\)/) { my $expr = $1; if ($line =~ /\busb_free_urb\(\Q$expr\E\);/) { |
000d1cc18 checkpatch.pl: ad... |
3161 3162 3163 |
WARN("NEEDLESS_USB_FREE_URB", "usb_free_urb(NULL) is safe this check is probably not required " . $hereprev); |
4c432a8f0 checkpatch: usb_f... |
3164 3165 |
} } |
f0a594c1c update checkpatch... |
3166 |
|
1a15a2508 checkpatch: prefe... |
3167 3168 3169 3170 |
# prefer usleep_range over udelay if ($line =~ /\budelay\s*\(\s*(\w+)\s*\)/) { # ignore udelay's < 10, however if (! (($1 =~ /(\d+)/) && ($1 < 10)) ) { |
000d1cc18 checkpatch.pl: ad... |
3171 3172 3173 |
CHK("USLEEP_RANGE", "usleep_range is preferred over udelay; see Documentation/timers/timers-howto.txt " . $line); |
1a15a2508 checkpatch: prefe... |
3174 3175 |
} } |
09ef87255 checkpatch: warn ... |
3176 3177 3178 |
# warn about unexpectedly long msleep's if ($line =~ /\bmsleep\s*\((\d+)\);/) { if ($1 < 20) { |
000d1cc18 checkpatch.pl: ad... |
3179 3180 3181 |
WARN("MSLEEP", "msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt " . $line); |
09ef87255 checkpatch: warn ... |
3182 3183 |
} } |
00df344fd update checkpatch... |
3184 |
# warn about #ifdefs in C files |
c45dcabd2 update checkpatch... |
3185 |
# if ($line =~ /^.\s*\#\s*if(|n)def/ && ($realfile =~ /\.c$/)) { |
00df344fd update checkpatch... |
3186 3187 3188 3189 3190 |
# print "#ifdef in C files should be avoided "; # print "$herecurr"; # $clean = 0; # } |
22f2a2ef9 update checkpatch... |
3191 |
# warn about spacing in #ifdefs |
c45dcabd2 update checkpatch... |
3192 |
if ($line =~ /^.\s*\#\s*(ifdef|ifndef|elif)\s\s+/) { |
000d1cc18 checkpatch.pl: ad... |
3193 3194 3195 |
ERROR("SPACING", "exactly one space required after that #$1 " . $herecurr); |
22f2a2ef9 update checkpatch... |
3196 |
} |
4a0df2ef4 update checkpatch... |
3197 |
# check for spinlock_t definitions without a comment. |
171ae1a49 update checkpatch... |
3198 3199 |
if ($line =~ /^.\s*(struct\s+mutex|spinlock_t)\s+\S+;/ || $line =~ /^.\s*(DEFINE_MUTEX)\s*\(/) { |
4a0df2ef4 update checkpatch... |
3200 3201 |
my $which = $1; if (!ctx_has_comment($first_line, $linenr)) { |
000d1cc18 checkpatch.pl: ad... |
3202 3203 3204 |
CHK("UNCOMMENTED_DEFINITION", "$1 definition without comment " . $herecurr); |
4a0df2ef4 update checkpatch... |
3205 3206 3207 3208 3209 |
} } # check for memory barriers without a comment. if ($line =~ /\b(mb|rmb|wmb|read_barrier_depends|smp_mb|smp_rmb|smp_wmb|smp_read_barrier_depends)\(/) { if (!ctx_has_comment($first_line, $linenr)) { |
000d1cc18 checkpatch.pl: ad... |
3210 3211 3212 |
CHK("MEMORY_BARRIER", "memory barrier without comment " . $herecurr); |
4a0df2ef4 update checkpatch... |
3213 3214 3215 |
} } # check of hardware specific defines |
c45dcabd2 update checkpatch... |
3216 |
if ($line =~ m@^.\s*\#\s*if.*\b(__i386__|__powerpc64__|__sun__|__s390x__)\b@ && $realfile !~ m@include/asm-@) { |
000d1cc18 checkpatch.pl: ad... |
3217 3218 3219 |
CHK("ARCH_DEFINES", "architecture specific defines should be avoided " . $herecurr); |
0a920b5b6 add a trivial pat... |
3220 |
} |
653d4876b update checkpatch... |
3221 |
|
d4977c78e checkpatch: warn ... |
3222 3223 |
# Check that the storage class is at the beginning of a declaration if ($line =~ /\b$Storage\b/ && $line !~ /^.\s*$Storage\b/) { |
000d1cc18 checkpatch.pl: ad... |
3224 3225 3226 |
WARN("STORAGE_CLASS", "storage class should be at the beginning of the declaration " . $herecurr) |
d4977c78e checkpatch: warn ... |
3227 |
} |
de7d4f0e1 update checkpatch... |
3228 3229 |
# check the location of the inline attribute, that it is between # storage class and type. |
9c0ca6f9a update checkpatch... |
3230 3231 |
if ($line =~ /\b$Type\s+$Inline\b/ || $line =~ /\b$Inline\s+$Storage\b/) { |
000d1cc18 checkpatch.pl: ad... |
3232 3233 3234 |
ERROR("INLINE_LOCATION", "inline keyword should sit between storage class and type " . $herecurr); |
de7d4f0e1 update checkpatch... |
3235 |
} |
8905a67c6 update checkpatch... |
3236 3237 |
# Check for __inline__ and __inline, prefer inline if ($line =~ /\b(__inline__|__inline)\b/) { |
000d1cc18 checkpatch.pl: ad... |
3238 3239 3240 |
WARN("INLINE", "plain inline is preferred over $1 " . $herecurr); |
8905a67c6 update checkpatch... |
3241 |
} |
3d130fd03 checkpatch.pl: ad... |
3242 3243 |
# Check for __attribute__ packed, prefer __packed if ($line =~ /\b__attribute__\s*\(\s*\(.*\bpacked\b/) { |
000d1cc18 checkpatch.pl: ad... |
3244 3245 3246 |
WARN("PREFER_PACKED", "__packed is preferred over __attribute__((packed)) " . $herecurr); |
3d130fd03 checkpatch.pl: ad... |
3247 |
} |
39b7e2878 checkpatch: add a... |
3248 3249 |
# Check for __attribute__ aligned, prefer __aligned if ($line =~ /\b__attribute__\s*\(\s*\(.*aligned/) { |
000d1cc18 checkpatch.pl: ad... |
3250 3251 3252 |
WARN("PREFER_ALIGNED", "__aligned(size) is preferred over __attribute__((aligned(size))) " . $herecurr); |
39b7e2878 checkpatch: add a... |
3253 |
} |
8f53a9b80 scripts/checkpatc... |
3254 3255 |
# check for sizeof(&) if ($line =~ /\bsizeof\s*\(\s*\&/) { |
000d1cc18 checkpatch.pl: ad... |
3256 3257 3258 |
WARN("SIZEOF_ADDRESS", "sizeof(& should be avoided " . $herecurr); |
8f53a9b80 scripts/checkpatc... |
3259 |
} |
428e2fdc4 checkpatch: add c... |
3260 3261 |
# check for line continuations in quoted strings with odd counts of " if ($rawline =~ /\\$/ && $rawline =~ tr/"/"/ % 2) { |
000d1cc18 checkpatch.pl: ad... |
3262 3263 3264 |
WARN("LINE_CONTINUATIONS", "Avoid line continuations in quoted strings " . $herecurr); |
428e2fdc4 checkpatch: add c... |
3265 |
} |
de7d4f0e1 update checkpatch... |
3266 |
# check for new externs in .c files. |
171ae1a49 update checkpatch... |
3267 |
if ($realfile =~ /\.c$/ && defined $stat && |
c45dcabd2 update checkpatch... |
3268 |
$stat =~ /^.\s*(?:extern\s+)?$Type\s+($Ident)(\s*)\(/s) |
171ae1a49 update checkpatch... |
3269 |
{ |
c45dcabd2 update checkpatch... |
3270 3271 |
my $function_name = $1; my $paren_space = $2; |
171ae1a49 update checkpatch... |
3272 3273 3274 3275 3276 |
my $s = $stat; if (defined $cond) { substr($s, 0, length($cond), ''); } |
c45dcabd2 update checkpatch... |
3277 3278 3279 |
if ($s =~ /^\s*;/ && $function_name ne 'uninitialized_var') { |
000d1cc18 checkpatch.pl: ad... |
3280 3281 3282 |
WARN("AVOID_EXTERNS", "externs should be avoided in .c files " . $herecurr); |
171ae1a49 update checkpatch... |
3283 3284 3285 3286 |
} if ($paren_space =~ / /) { |
000d1cc18 checkpatch.pl: ad... |
3287 3288 3289 |
WARN("FUNCTION_ARGUMENTS", "arguments for function declarations should follow identifier " . $herecurr); |
171ae1a49 update checkpatch... |
3290 |
} |
9c9ba34ee update checkpatch... |
3291 3292 3293 3294 |
} elsif ($realfile =~ /\.c$/ && defined $stat && $stat =~ /^.\s*extern\s+/) { |
000d1cc18 checkpatch.pl: ad... |
3295 3296 3297 |
WARN("AVOID_EXTERNS", "externs should be avoided in .c files " . $herecurr); |
de7d4f0e1 update checkpatch... |
3298 3299 3300 3301 3302 3303 3304 |
} # checks for new __setup's if ($rawline =~ /\b__setup\("([^"]*)"/) { my $name = $1; if (!grep(/$name/, @setup_docs)) { |
000d1cc18 checkpatch.pl: ad... |
3305 3306 3307 |
CHK("UNDOCUMENTED_SETUP", "__setup appears un-documented -- check Documentation/kernel-parameters.txt " . $herecurr); |
de7d4f0e1 update checkpatch... |
3308 |
} |
653d4876b update checkpatch... |
3309 |
} |
9c0ca6f9a update checkpatch... |
3310 3311 |
# check for pointless casting of kmalloc return |
caf2a54f1 scripts/checkpatc... |
3312 |
if ($line =~ /\*\s*\)\s*[kv][czm]alloc(_node){0,1}\b/) { |
000d1cc18 checkpatch.pl: ad... |
3313 3314 3315 |
WARN("UNNECESSARY_CASTS", "unnecessary cast may hide bugs, see http://c-faq.com/malloc/mallocnocast.html " . $herecurr); |
9c0ca6f9a update checkpatch... |
3316 |
} |
13214adf7 update checkpatch... |
3317 |
|
caf2a54f1 scripts/checkpatc... |
3318 3319 |
# check for multiple semicolons if ($line =~ /;\s*;\s*$/) { |
000d1cc18 checkpatch.pl: ad... |
3320 3321 3322 |
WARN("ONE_SEMICOLON", "Statements terminations use 1 semicolon " . $herecurr); |
caf2a54f1 scripts/checkpatc... |
3323 |
} |
13214adf7 update checkpatch... |
3324 3325 |
# check for gcc specific __FUNCTION__ if ($line =~ /__FUNCTION__/) { |
000d1cc18 checkpatch.pl: ad... |
3326 3327 3328 |
WARN("USE_FUNC", "__func__ should be used instead of gcc specific __FUNCTION__ " . $herecurr); |
13214adf7 update checkpatch... |
3329 |
} |
773647a09 update checkpatch... |
3330 |
|
4882720b2 semaphore: Remove... |
3331 3332 |
# check for semaphores initialized locked if ($line =~ /^.\s*sema_init.+,\W?0\W?\)/) { |
000d1cc18 checkpatch.pl: ad... |
3333 3334 3335 |
WARN("CONSIDER_COMPLETION", "consider using a completion " . $herecurr); |
1704f47b5 lockdep: Add nova... |
3336 |
|
773647a09 update checkpatch... |
3337 |
} |
67d0a0754 kernel.h/checkpat... |
3338 3339 |
# recommend kstrto* over simple_strto* and strict_strto* if ($line =~ /\b((simple|strict)_(strto(l|ll|ul|ull)))\s*\(/) { |
000d1cc18 checkpatch.pl: ad... |
3340 |
WARN("CONSIDER_KSTRTO", |
67d0a0754 kernel.h/checkpat... |
3341 3342 |
"$1 is obsolete, use k$3 instead " . $herecurr); |
773647a09 update checkpatch... |
3343 |
} |
f3db6639f checkpatch: add a... |
3344 3345 |
# check for __initcall(), use device_initcall() explicitly please if ($line =~ /^.\s*__initcall\s*\(/) { |
000d1cc18 checkpatch.pl: ad... |
3346 3347 3348 |
WARN("USE_DEVICE_INITCALL", "please use device_initcall() instead of __initcall() " . $herecurr); |
f3db6639f checkpatch: add a... |
3349 |
} |
79404849e checkpatch.pl: ex... |
3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 |
# check for various ops structs, ensure they are const. my $struct_ops = qr{acpi_dock_ops| address_space_operations| backlight_ops| block_device_operations| dentry_operations| dev_pm_ops| dma_map_ops| extent_io_ops| file_lock_operations| file_operations| hv_ops| ide_dma_ops| intel_dvo_dev_ops| item_operations| iwl_ops| kgdb_arch| kgdb_io| kset_uevent_ops| lock_manager_operations| microcode_ops| mtrr_ops| neigh_ops| nlmsvc_binding| pci_raw_ops| pipe_buf_operations| platform_hibernation_ops| platform_suspend_ops| proto_ops| rpc_pipe_ops| seq_operations| snd_ac97_build_ops| soc_pcmcia_socket_ops| stacktrace_ops| sysfs_ops| tty_operations| usb_mon_operations| wd_ops}x; |
6903ffb22 checkpatch: struc... |
3388 |
if ($line !~ /\bconst\b/ && |
79404849e checkpatch.pl: ex... |
3389 |
$line =~ /\bstruct\s+($struct_ops)\b/) { |
000d1cc18 checkpatch.pl: ad... |
3390 3391 3392 |
WARN("CONST_STRUCT", "struct $1 should normally be const " . |
6903ffb22 checkpatch: struc... |
3393 |
$herecurr); |
2b6db5cb6 checkpatch: struc... |
3394 |
} |
773647a09 update checkpatch... |
3395 3396 3397 3398 |
# use of NR_CPUS is usually wrong # ignore definitions of NR_CPUS and usage to define arrays as likely right if ($line =~ /\bNR_CPUS\b/ && |
c45dcabd2 update checkpatch... |
3399 3400 |
$line !~ /^.\s*\s*#\s*if\b.*\bNR_CPUS\b/ && $line !~ /^.\s*\s*#\s*define\b.*\bNR_CPUS\b/ && |
171ae1a49 update checkpatch... |
3401 3402 3403 |
$line !~ /^.\s*$Declare\s.*\[[^\]]*NR_CPUS[^\]]*\]/ && $line !~ /\[[^\]]*\.\.\.[^\]]*NR_CPUS[^\]]*\]/ && $line !~ /\[[^\]]*NR_CPUS[^\]]*\.\.\.[^\]]*\]/) |
773647a09 update checkpatch... |
3404 |
{ |
000d1cc18 checkpatch.pl: ad... |
3405 3406 3407 |
WARN("NR_CPUS", "usage of NR_CPUS is often wrong - consider using cpu_possible(), num_possible_cpus(), for_each_possible_cpu(), etc " . $herecurr); |
773647a09 update checkpatch... |
3408 |
} |
9c9ba34ee update checkpatch... |
3409 3410 3411 3412 3413 |
# check for %L{u,d,i} in strings my $string; while ($line =~ /(?:^|")([X\t]*)(?:"|$)/g) { $string = substr($rawline, $-[1], $+[1] - $-[1]); |
2a1bc5d5c checkpatch: %Lx t... |
3414 |
$string =~ s/%%/__/g; |
9c9ba34ee update checkpatch... |
3415 |
if ($string =~ /(?<!%)%L[udi]/) { |
000d1cc18 checkpatch.pl: ad... |
3416 3417 3418 |
WARN("PRINTF_L", "\%Ld/%Lu are not-standard C, use %lld/%llu " . $herecurr); |
9c9ba34ee update checkpatch... |
3419 3420 3421 |
last; } } |
691d77b6b checkpatch: add c... |
3422 3423 3424 3425 |
# whine mightly about in_atomic if ($line =~ /\bin_atomic\s*\(/) { if ($realfile =~ m@^drivers/@) { |
000d1cc18 checkpatch.pl: ad... |
3426 3427 3428 |
ERROR("IN_ATOMIC", "do not use in_atomic in drivers " . $herecurr); |
f4a877367 checkpatch: make ... |
3429 |
} elsif ($realfile !~ m@^kernel/@) { |
000d1cc18 checkpatch.pl: ad... |
3430 3431 3432 |
WARN("IN_ATOMIC", "use of in_atomic() is incorrect outside core kernel code " . $herecurr); |
691d77b6b checkpatch: add c... |
3433 3434 |
} } |
1704f47b5 lockdep: Add nova... |
3435 3436 3437 3438 3439 3440 3441 |
# check for lockdep_set_novalidate_class if ($line =~ /^.\s*lockdep_set_novalidate_class\s*\(/ || $line =~ /__lockdep_no_validate__\s*\)/ ) { if ($realfile !~ m@^kernel/lockdep@ && $realfile !~ m@^include/linux/lockdep@ && $realfile !~ m@^drivers/base/core@) { |
000d1cc18 checkpatch.pl: ad... |
3442 3443 3444 |
ERROR("LOCKDEP", "lockdep_no_validate class is reserved for device->mutex. " . $herecurr); |
1704f47b5 lockdep: Add nova... |
3445 3446 |
} } |
88f8831c0 checkpatch: check... |
3447 3448 3449 |
if ($line =~ /debugfs_create_file.*S_IWUGO/ || $line =~ /DEVICE_ATTR.*S_IWUGO/ ) { |
000d1cc18 checkpatch.pl: ad... |
3450 3451 3452 |
WARN("EXPORTED_WORLD_WRITABLE", "Exporting world writable files is usually an error. Consider more restrictive permissions. " . $herecurr); |
88f8831c0 checkpatch: check... |
3453 |
} |
309c00c73 checkpatch: warn ... |
3454 3455 3456 |
# Check for memset with swapped arguments if ($line =~ /memset.*\,(\ |)(0x|)0(\ |0|)\);/) { |
000d1cc18 checkpatch.pl: ad... |
3457 3458 3459 |
ERROR("MEMSET", "memset size is 3rd argument, not the second. " . $herecurr); |
309c00c73 checkpatch: warn ... |
3460 |
} |
13214adf7 update checkpatch... |
3461 3462 3463 3464 3465 3466 |
} # If we have no input at all, then there is nothing to report on # so just keep quiet. if ($#rawlines == -1) { exit(0); |
0a920b5b6 add a trivial pat... |
3467 |
} |
8905a67c6 update checkpatch... |
3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 |
# In mailback mode only produce a report in the negative, for # things that appear to be patches. if ($mailback && ($clean == 1 || !$is_patch)) { exit(0); } # This is not a patch, and we are are in 'no-patch' mode so # just keep quiet. if (!$chk_patch && !$is_patch) { exit(0); } if (!$is_patch) { |
000d1cc18 checkpatch.pl: ad... |
3481 3482 3483 |
ERROR("NOT_UNIFIED_DIFF", "Does not appear to be a unified-diff format patch "); |
0a920b5b6 add a trivial pat... |
3484 3485 |
} if ($is_patch && $chk_signoff && $signoff == 0) { |
000d1cc18 checkpatch.pl: ad... |
3486 3487 3488 |
ERROR("MISSING_SIGN_OFF", "Missing Signed-off-by: line(s) "); |
0a920b5b6 add a trivial pat... |
3489 |
} |
8905a67c6 update checkpatch... |
3490 |
print report_dump(); |
13214adf7 update checkpatch... |
3491 3492 |
if ($summary && !($clean == 1 && $quiet == 1)) { print "$filename " if ($summary_file); |
8905a67c6 update checkpatch... |
3493 3494 3495 3496 3497 3498 |
print "total: $cnt_error errors, $cnt_warn warnings, " . (($check)? "$cnt_chk checks, " : "") . "$cnt_lines lines checked "; print " " if ($quiet == 0); |
f0a594c1c update checkpatch... |
3499 |
} |
8905a67c6 update checkpatch... |
3500 |
|
d2c0a2351 checkpatch: sugge... |
3501 3502 3503 3504 3505 3506 3507 3508 3509 |
if ($quiet == 0) { # If there were whitespace errors which cleanpatch can fix # then suggest that. if ($rpt_cleaners) { print "NOTE: whitespace errors detected, you may wish to use scripts/cleanpatch or "; print " scripts/cleanfile "; |
b0781216e scripts/checkpatc... |
3510 |
$rpt_cleaners = 0; |
d2c0a2351 checkpatch: sugge... |
3511 3512 |
} } |
000d1cc18 checkpatch.pl: ad... |
3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 |
if (keys %ignore_type) { print "NOTE: Ignored message types:"; foreach my $ignore (sort keys %ignore_type) { print " $ignore"; } print " "; print " " if ($quiet == 0); } |
0a920b5b6 add a trivial pat... |
3523 |
if ($clean == 1 && $quiet == 0) { |
c2fdda0df update checkpatch... |
3524 3525 |
print "$vname has no obvious style problems and is ready for submission. " |
0a920b5b6 add a trivial pat... |
3526 3527 |
} if ($clean == 0 && $quiet == 0) { |
000d1cc18 checkpatch.pl: ad... |
3528 3529 3530 3531 3532 3533 |
print << "EOM"; $vname has style problems, please review. If any of these errors are false positives, please report them to the maintainer, see CHECKPATCH in MAINTAINERS. EOM |
0a920b5b6 add a trivial pat... |
3534 |
} |
13214adf7 update checkpatch... |
3535 |
|
0a920b5b6 add a trivial pat... |
3536 3537 |
return $clean; } |