diff options
| author | Jason Xing <kernelxing@tencent.com> | 2024-02-26 11:22:21 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2024-02-28 10:39:21 +0000 |
| commit | ed43e76cdcc497e2b27d84db27e7df5612be2643 (patch) | |
| tree | d0df88b66acd7c96a9925d65339c25785d79d770 /net/ipv6/tcp_ipv6.c | |
| parent | a4a69a3719ec55f677b8481f58215b6338b781e5 (diff) | |
| download | linux-ed43e76cdcc497e2b27d84db27e7df5612be2643.tar.gz | |
tcp: directly drop skb in cookie check for ipv6
Like previous patch does, only moving skb drop logical code to
cookie_v6_check() for later refinement.
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 57b25b1fc9d9d..0c180bb8187fa 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1653,11 +1653,8 @@ int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb) if (sk->sk_state == TCP_LISTEN) { struct sock *nsk = tcp_v6_cookie_check(sk, skb); - if (!nsk) - goto discard; - if (nsk != sk) { - if (tcp_child_process(sk, nsk, skb)) + if (nsk && tcp_child_process(sk, nsk, skb)) goto reset; if (opt_skb) __kfree_skb(opt_skb); |