summaryrefslogtreecommitdiff
path: root/net/ipv4/tcp_ipv4.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-03-02 03:13:54 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-03-02 03:13:54 +0300
commit71e41bbb43794e0fe4ce3b766d713e222ccfb5ea (patch)
tree440f95dec8ac8fab4d817d76fe2714bbf1dedfe5 /net/ipv4/tcp_ipv4.c
parenta057c3259ab6ecab477379d23e27ea0afdb219e6 (diff)
parentfc77dbd34c5c99bce46d40a2491937c3bcbd10af (diff)
downloadlinux-71e41bbb43794e0fe4ce3b766d713e222ccfb5ea.tar.xz
Merge 4.5-rc6 into usb-next
We want the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r--net/ipv4/tcp_ipv4.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 7f6ff037adaf..487ac67059e2 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1597,28 +1597,30 @@ process:
if (sk->sk_state == TCP_NEW_SYN_RECV) {
struct request_sock *req = inet_reqsk(sk);
- struct sock *nsk = NULL;
+ struct sock *nsk;
sk = req->rsk_listener;
- if (tcp_v4_inbound_md5_hash(sk, skb))
- goto discard_and_relse;
- if (likely(sk->sk_state == TCP_LISTEN)) {
- nsk = tcp_check_req(sk, skb, req, false);
- } else {
+ if (unlikely(tcp_v4_inbound_md5_hash(sk, skb))) {
+ reqsk_put(req);
+ goto discard_it;
+ }
+ if (unlikely(sk->sk_state != TCP_LISTEN)) {
inet_csk_reqsk_queue_drop_and_put(sk, req);
goto lookup;
}
+ sock_hold(sk);
+ nsk = tcp_check_req(sk, skb, req, false);
if (!nsk) {
reqsk_put(req);
- goto discard_it;
+ goto discard_and_relse;
}
if (nsk == sk) {
- sock_hold(sk);
reqsk_put(req);
} else if (tcp_child_process(sk, nsk, skb)) {
tcp_v4_send_reset(nsk, skb);
- goto discard_it;
+ goto discard_and_relse;
} else {
+ sock_put(sk);
return 0;
}
}