From fe8570186f100b6cc499b2f7705946baf1388cde Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Fri, 30 Jan 2026 21:03:02 +0000 Subject: ipv4: use dst4_mtu() instead of dst_mtu() When we expect an IPv4 dst, use dst4_mtu() instead of dst_mtu() to save some code space. Signed-off-by: Eric Dumazet Reviewed-by: Kuniyuki Iwashima Link: https://patch.msgid.link/20260130210303.3888261-8-edumazet@google.com Signed-off-by: Jakub Kicinski --- net/ipv4/netfilter/nf_reject_ipv4.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/ipv4/netfilter') diff --git a/net/ipv4/netfilter/nf_reject_ipv4.c b/net/ipv4/netfilter/nf_reject_ipv4.c index fae4aa4a5f09..fecf6621f679 100644 --- a/net/ipv4/netfilter/nf_reject_ipv4.c +++ b/net/ipv4/netfilter/nf_reject_ipv4.c @@ -303,7 +303,7 @@ void nf_send_reset(struct net *net, struct sock *sk, struct sk_buff *oldskb, goto free_nskb; /* "Never happens" */ - if (nskb->len > dst_mtu(skb_dst(nskb))) + if (nskb->len > dst4_mtu(skb_dst(nskb))) goto free_nskb; nf_ct_attach(nskb, oldskb); -- cgit v1.2.3