From 93d1cff35adc522a5d21e722eee1071f3f7dc716 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Mon, 30 Jun 2025 12:19:33 +0000 Subject: ipv6: adopt skb_dst_dev() and skb_dst_dev_net[_rcu]() helpers Use the new helpers as a step to deal with potential dst->dev races. v2: fix typo in ipv6_rthdr_rcv() (kernel test robot ) Signed-off-by: Eric Dumazet Reviewed-by: Kuniyuki Iwashima Link: https://patch.msgid.link/20250630121934.3399505-10-edumazet@google.com Signed-off-by: Jakub Kicinski --- net/ipv6/netfilter.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'net/ipv6/netfilter.c') diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c index 4541836ee3da..45f9105f9ac1 100644 --- a/net/ipv6/netfilter.c +++ b/net/ipv6/netfilter.c @@ -24,7 +24,7 @@ int ip6_route_me_harder(struct net *net, struct sock *sk_partial, struct sk_buff { const struct ipv6hdr *iph = ipv6_hdr(skb); struct sock *sk = sk_to_full_sk(sk_partial); - struct net_device *dev = skb_dst(skb)->dev; + struct net_device *dev = skb_dst_dev(skb); struct flow_keys flkeys; unsigned int hh_len; struct dst_entry *dst; @@ -72,7 +72,7 @@ int ip6_route_me_harder(struct net *net, struct sock *sk_partial, struct sk_buff #endif /* Change in oif may mean change in hh_len. */ - hh_len = skb_dst(skb)->dev->hard_header_len; + hh_len = skb_dst_dev(skb)->hard_header_len; if (skb_headroom(skb) < hh_len && pskb_expand_head(skb, HH_DATA_ALIGN(hh_len - skb_headroom(skb)), 0, GFP_ATOMIC)) -- cgit v1.2.3