diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2025-08-18 11:48:30 +0200 |
|---|---|---|
| committer | Florian Westphal <fw@strlen.de> | 2025-09-02 15:28:17 +0200 |
| commit | c015e17ba111e1cd2c7180204b006266aa15c263 (patch) | |
| tree | 7d847f7ccd2b644d649868f636f06d0a2b5e3d50 /net/netfilter | |
| parent | 46015e6b3ea75297b28d4806564f3f692cf11861 (diff) | |
netfilter: nft_payload: Use csum_replace4() instead of opencoding
Open coded calculation can be avoided and replaced by the
equivalent csum_replace4() in nft_csum_replace().
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Diffstat (limited to 'net/netfilter')
| -rw-r--r-- | net/netfilter/nft_payload.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netfilter/nft_payload.c b/net/netfilter/nft_payload.c index 7dfc5343dae4..059b28ffad0e 100644 --- a/net/netfilter/nft_payload.c +++ b/net/netfilter/nft_payload.c @@ -684,7 +684,7 @@ static const struct nft_expr_ops nft_payload_inner_ops = { static inline void nft_csum_replace(__sum16 *sum, __wsum fsum, __wsum tsum) { - *sum = csum_fold(csum_add(csum_sub(~csum_unfold(*sum), fsum), tsum)); + csum_replace4(sum, (__force __be32)fsum, (__force __be32)tsum); if (*sum == 0) *sum = CSUM_MANGLED_0; } |