diff options
| author | Dave Airlie <airlied@redhat.com> | 2017-03-23 12:05:13 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2017-03-23 12:05:13 +1000 |
| commit | 65d1086c44791112188f6aebbdc3a27cab3736d3 (patch) | |
| tree | f769c133e61c54e34e91aa9ecf1d3504a6eb4fb4 /net/ipv4/tcp_ipv4.c | |
| parent | edd849e5448c4f6ddc04a5fa1ac5479176660c27 (diff) | |
| parent | 97da3854c526d3a6ee05c849c96e48d21527606c (diff) | |
| download | linux-next-65d1086c44791112188f6aebbdc3a27cab3736d3.tar.gz | |
BackMerge tag 'v4.11-rc3' into drm-next
Linux 4.11-rc3 as requested by Daniel
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 9a89b8deafae..575e19dcc017 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -279,10 +279,13 @@ EXPORT_SYMBOL(tcp_v4_connect); */ void tcp_v4_mtu_reduced(struct sock *sk) { - struct dst_entry *dst; struct inet_sock *inet = inet_sk(sk); - u32 mtu = tcp_sk(sk)->mtu_info; + struct dst_entry *dst; + u32 mtu; + if ((1 << sk->sk_state) & (TCPF_LISTEN | TCPF_CLOSE)) + return; + mtu = tcp_sk(sk)->mtu_info; dst = inet_csk_update_pmtu(sk, mtu); if (!dst) return; @@ -428,7 +431,8 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info) switch (type) { case ICMP_REDIRECT: - do_redirect(icmp_skb, sk); + if (!sock_owned_by_user(sk)) + do_redirect(icmp_skb, sk); goto out; case ICMP_SOURCE_QUENCH: /* Just silently ignore these. */ |