Commit d013ef2a authored by Julian Anastasov's avatar Julian Anastasov Committed by David S. Miller

tcp: fix possible socket refcount problem for ipv6

commit 144d56e9
("tcp: fix possible socket refcount problem") is missing
the IPv6 part. As tcp_release_cb is shared by both protocols
we should hold sock reference for the TCP_MTU_REDUCED_DEFERRED
bit.
Signed-off-by: default avatarJulian Anastasov <ja@ssi.bg>
Acked-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 463dde19
...@@ -403,8 +403,9 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, ...@@ -403,8 +403,9 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
tp->mtu_info = ntohl(info); tp->mtu_info = ntohl(info);
if (!sock_owned_by_user(sk)) if (!sock_owned_by_user(sk))
tcp_v6_mtu_reduced(sk); tcp_v6_mtu_reduced(sk);
else else if (!test_and_set_bit(TCP_MTU_REDUCED_DEFERRED,
set_bit(TCP_MTU_REDUCED_DEFERRED, &tp->tsq_flags); &tp->tsq_flags))
sock_hold(sk);
goto out; goto out;
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment