From e5fd91f1ef340da553f7a79da9540c3db711c937 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 8 Sep 2015 01:01:14 -0300 Subject: Linux-libre 4.2-gnu --- include/net/checksum.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'include/net/checksum.h') diff --git a/include/net/checksum.h b/include/net/checksum.h index 0a55ac715..2d1d73cb7 100644 --- a/include/net/checksum.h +++ b/include/net/checksum.h @@ -122,7 +122,9 @@ static inline __wsum csum_partial_ext(const void *buff, int len, __wsum sum) static inline void csum_replace4(__sum16 *sum, __be32 from, __be32 to) { - *sum = csum_fold(csum_add(csum_sub(~csum_unfold(*sum), from), to)); + __wsum tmp = csum_sub(~csum_unfold(*sum), (__force __wsum)from); + + *sum = csum_fold(csum_add(tmp, (__force __wsum)to)); } /* Implements RFC 1624 (Incremental Internet Checksum) -- cgit v1.2.3-54-g00ecf