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-rw-r--r--include/net/checksum.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/checksum.h b/include/net/checksum.h
index a28f4e0f6251..87cb1903640d 100644
--- a/include/net/checksum.h
+++ b/include/net/checksum.h
@@ -57,12 +57,14 @@ static __inline__ __wsum csum_and_copy_to_user
57} 57}
58#endif 58#endif
59 59
60#ifndef HAVE_ARCH_CSUM_ADD
60static inline __wsum csum_add(__wsum csum, __wsum addend) 61static inline __wsum csum_add(__wsum csum, __wsum addend)
61{ 62{
62 u32 res = (__force u32)csum; 63 u32 res = (__force u32)csum;
63 res += (__force u32)addend; 64 res += (__force u32)addend;
64 return (__force __wsum)(res + (res < (__force u32)addend)); 65 return (__force __wsum)(res + (res < (__force u32)addend));
65} 66}
67#endif
66 68
67static inline __wsum csum_sub(__wsum csum, __wsum addend) 69static inline __wsum csum_sub(__wsum csum, __wsum addend)
68{ 70{