crc32c algorithm provides a byteswaped result. On little-endian
arches, the result ends up in big-endian/network byte order.
On big-endinan arches, the result ends up in little-endian
order and needs to be byte swapped again. Thus calling cpu_to_le32
gives the right output.
Tested-by: Jukka Taimisto <jukka.taimisto@xxxxxxxxxxxxxx>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@xxxxxx>
---
include/net/sctp/checksum.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/include/net/sctp/checksum.h b/include/net/sctp/checksum.h
index b799fb2..2fec3c3 100644
--- a/include/net/sctp/checksum.h
+++ b/include/net/sctp/checksum.h
@@ -79,5 +79,5 @@ static inline __be32 sctp_update_cksum(__u8 *buffer, __u16 length, __be32 crc32)
static inline __be32 sctp_end_cksum(__be32 crc32)
{
- return ~crc32;
+ return (__force __be32)~cpu_to_le32((__force u32)crc32);
}
--
1.5.3.5
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