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Commit 79fe249c8368be35c9ca05982e80c68e959505e1

Authored by Li Zefan
Committed by Ingo Molnar
1 parent 1eb90f138b
Exists in master and in 7 other branches imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

tracing: Fix failure path in ftrace_regex_open() 

Don't forget to free trace_parser if seq_open() returned failure.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <4AB86694.4040803@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

Showing 1 changed file with 3 additions and 1 deletions Side-by-side Diff

kernel/trace/ftrace.c
Diff comments   View file @ 79fe249
... ... @@ -1621,8 +1621,10 @@
1621 1621 if (!ret) {
1622 1622 struct seq_file *m = file->private_data;
1623 1623 m->private = iter;
1624   - } else
  1624 + } else {
  1625 + trace_parser_put(&iter->parser);
1625 1626 kfree(iter);
  1627 + }
1626 1628 } else
1627 1629 file->private_data = iter;
1628 1630 mutex_unlock(&ftrace_regex_lock);