diff options
| author | Eric Dumazet <edumazet@google.com> | 2025-03-01 20:14:22 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-03-03 15:44:19 -0800 |
| commit | 9b49f57ccd3aa1560f215b3f8218b2783ff18391 (patch) | |
| tree | ee0b0395e77c77fc3a58ed32015076615e436e70 /net/ipv6 | |
| parent | e7b9ecce562ca6a1de32c56c597fa45e08c44ec0 (diff) | |
net: gro: convert four dev_net() calls
tcp4_check_fraglist_gro(), tcp6_check_fraglist_gro(),
udp4_gro_lookup_skb() and udp6_gro_lookup_skb()
assume RCU is held so that the net structure does not disappear.
Use dev_net_rcu() instead of dev_net() to get LOCKDEP support.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250301201424.2046477-5-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/tcpv6_offload.c | 2 | ||||
| -rw-r--r-- | net/ipv6/udp_offload.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/tcpv6_offload.c b/net/ipv6/tcpv6_offload.c index a45bf17cb2a1..91b88daa5b55 100644 --- a/net/ipv6/tcpv6_offload.c +++ b/net/ipv6/tcpv6_offload.c @@ -35,7 +35,7 @@ static void tcp6_check_fraglist_gro(struct list_head *head, struct sk_buff *skb, inet6_get_iif_sdif(skb, &iif, &sdif); hdr = skb_gro_network_header(skb); - net = dev_net(skb->dev); + net = dev_net_rcu(skb->dev); sk = __inet6_lookup_established(net, net->ipv4.tcp_death_row.hashinfo, &hdr->saddr, th->source, &hdr->daddr, ntohs(th->dest), diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c index b41152dd4246..404212dfc99a 100644 --- a/net/ipv6/udp_offload.c +++ b/net/ipv6/udp_offload.c @@ -117,7 +117,7 @@ static struct sock *udp6_gro_lookup_skb(struct sk_buff *skb, __be16 sport, __be16 dport) { const struct ipv6hdr *iph = skb_gro_network_header(skb); - struct net *net = dev_net(skb->dev); + struct net *net = dev_net_rcu(skb->dev); int iif, sdif; inet6_get_iif_sdif(skb, &iif, &sdif); |