diff options
| author | Joakim Tjernlund <Joakim.Tjernlund@transmode.se> | 2010-05-24 17:33:31 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-25 11:07:06 -0400 |
| commit | 4762bbc1a3a1f22095278b74dd1b8cee04858641 (patch) | |
| tree | d80314902f759a2ee1f6bb25384956021c4b2d04 /lib | |
| parent | 836e2af92503f1642dbc3c3281ec68ec1dd39d2e (diff) | |
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>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/crc32.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/crc32.c b/lib/crc32.c index 4855995fcde9..3087ed899ee3 100644 --- a/lib/crc32.c +++ b/lib/crc32.c | |||
| @@ -50,7 +50,7 @@ MODULE_LICENSE("GPL"); | |||
| 50 | static inline u32 | 50 | static inline u32 |
| 51 | crc32_body(u32 crc, unsigned char const *buf, size_t len, const u32 (*tab)[256]) | 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 | # 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] ^ \ |