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| author | Arnd Bergmann <arnd@arndb.de> | 2009-06-23 22:52:51 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2009-11-03 16:06:53 +0100 |
| commit | 0a5549ed163520787f76b7515dfe9d9aa1c7ae37 (patch) | |
| tree | 6ae1acec7b9414ee941682894f46818ede221ecb /lib/checksum.c | |
| parent | 20c1f641bb80fb272dec959a5caabed92e5a422e (diff) | |
| download | lwn-0a5549ed163520787f76b7515dfe9d9aa1c7ae37.tar.gz lwn-0a5549ed163520787f76b7515dfe9d9aa1c7ae37.zip | |
lib/checksum: fix one more thinko
When do_csum gets unaligned data, we really need to treat
the first byte as an even byte, not an odd byte, because
we swap the two halves later.
Found by Mike's checksum-selftest module.
Reported-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'lib/checksum.c')
| -rw-r--r-- | lib/checksum.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/checksum.c b/lib/checksum.c index b08c2d059024..097508732f34 100644 --- a/lib/checksum.c +++ b/lib/checksum.c @@ -57,9 +57,9 @@ static unsigned int do_csum(const unsigned char *buff, int len) odd = 1 & (unsigned long) buff; if (odd) { #ifdef __LITTLE_ENDIAN - result = *buff; -#else result += (*buff << 8); +#else + result = *buff; #endif len--; buff++; |