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authorAndrew Morton <akpm@linux-foundation.org>2010-05-26 02:43:03 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-26 11:19:23 -0400
commit0d2daf5cc858bd9305bae187310a1dabaad0a2db (patch)
tree94c2d457d328ac2f093195ad4de28fecb3ec9d7c /lib
parentcc68e3be7412baaa1ea2a2df9e88770f1753da78 (diff)
revert "crc32: use __BYTE_ORDER macro for endian detection"
It doesn't work on big-endian - those architectures don't define __LITTLE_ENDIAN. Cc: Joakim Tjernlund <joakim.tjernlund@transmode.se> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/crc32.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/crc32.c b/lib/crc32.c
index 3087ed899ee3..4855995fcde9 100644
--- a/lib/crc32.c
+++ b/lib/crc32.c
@@ -50,7 +50,7 @@ MODULE_LICENSE("GPL");
50static inline u32 50static inline u32
51crc32_body(u32 crc, unsigned char const *buf, size_t len, const u32 (*tab)[256]) 51crc32_body(u32 crc, unsigned char const *buf, size_t len, const u32 (*tab)[256])
52{ 52{
53# if __BYTE_ORDER == __LITTLE_ENDIAN 53# ifdef __LITTLE_ENDIAN
54# define DO_CRC(x) crc = tab[0][(crc ^ (x)) & 255] ^ (crc >> 8) 54# define DO_CRC(x) crc = tab[0][(crc ^ (x)) & 255] ^ (crc >> 8)
55# define DO_CRC4 crc = tab[3][(crc) & 255] ^ \ 55# define DO_CRC4 crc = tab[3][(crc) & 255] ^ \
56 tab[2][(crc >> 8) & 255] ^ \ 56 tab[2][(crc >> 8) & 255] ^ \