Eric Lee / smarc-fsl-linux-kernel

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Commit 4762bbc1a3a1f22095278b74dd1b8cee04858641

Authored by Joakim Tjernlund
Committed by Linus Torvalds
1 parent 836e2af925

crc32: use __BYTE_ORDER macro for endian detection. 

Since crc32.c contains a nifty test program that can be executed in user
space, make sure endian detection works reliably in user space too.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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

... ... @@ -50,7 +50,7 @@
50 50 static inline u32
51 51 crc32_body(u32 crc, unsigned char const *buf, size_t len, const u32 (*tab)[256])
52 52 {
53   -# ifdef __LITTLE_ENDIAN
  53 +# if __BYTE_ORDER == __LITTLE_ENDIAN
54 54 # define DO_CRC(x) crc = tab[0][(crc ^ (x)) & 255] ^ (crc >> 8)
55 55 # define DO_CRC4 crc = tab[3][(crc) & 255] ^ \
56 56 tab[2][(crc >> 8) & 255] ^ \