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ipvs: Avoid unnecessary calls to skb_is_gso_sctp

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[ Upstream commit 53796b03295cf7ab1fc8600016fa6dfbf4a494a0 ]

In the context of the SCTP SNAT/DNAT handler, these calls can only
return true.

Fixes: e10d3ba4d434 ("ipvs: Fix checksumming on GSO of SCTP packets")
Signed-off-by: Ismael Luceno <iluceno@suse.de>
Acked-by: Julian Anastasov <ja@ssi.bg>
Acked-by: Simon Horman <horms@kernel.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
(cherry picked from commit 9340804ea465de0509a9afaeaaccf3fb74b14f9b)
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
This commit is contained in:
Ismael Luceno 2024-05-23 18:54:44 +02:00 committed by Vegard Nossum
parent c3996b8fae
commit 2a3559125b
1 changed files with 2 additions and 2 deletions
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4
net/netfilter/ipvs/ip_vs_proto_sctp.c
View File

@ -123,7 +123,7 @@ sctp_snat_handler(struct sk_buff *skb, struct ip_vs_protocol *pp,
if (sctph->source != cp->vport || payload_csum ||
skb->ip_summed == CHECKSUM_PARTIAL) {
sctph->source = cp->vport;
if (!skb_is_gso(skb) || !skb_is_gso_sctp(skb))
if (!skb_is_gso(skb))
sctp_nat_csum(skb, sctph, sctphoff);
} else {
skb->ip_summed = CHECKSUM_UNNECESSARY;
@ -172,7 +172,7 @@ sctp_dnat_handler(struct sk_buff *skb, struct ip_vs_protocol *pp,
(skb->ip_summed == CHECKSUM_PARTIAL &&
!(skb_dst(skb)->dev->features & NETIF_F_SCTP_CRC))) {
sctph->dest = cp->dport;
if (!skb_is_gso(skb) || !skb_is_gso_sctp(skb))
if (!skb_is_gso(skb))
sctp_nat_csum(skb, sctph, sctphoff);
} else if (skb->ip_summed != CHECKSUM_PARTIAL) {
skb->ip_summed = CHECKSUM_UNNECESSARY;