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Diffstat (limited to 'net/dccp/ipv4.c')
-rw-r--r--net/dccp/ipv4.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index d4a166f0f391..3f69ea114829 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -392,7 +392,7 @@ struct sock *dccp_v4_request_recv_sock(struct sock *sk, struct sk_buff *skb,
newsk = dccp_create_openreq_child(sk, req, skb);
if (newsk == NULL)
- goto exit;
+ goto exit_nonewsk;
sk_setup_caps(newsk, dst);
@@ -409,16 +409,20 @@ struct sock *dccp_v4_request_recv_sock(struct sock *sk, struct sk_buff *skb,
dccp_sync_mss(newsk, dst_mtu(dst));
+ if (__inet_inherit_port(sk, newsk) < 0) {
+ sock_put(newsk);
+ goto exit;
+ }
__inet_hash_nolisten(newsk, NULL);
- __inet_inherit_port(sk, newsk);
return newsk;
exit_overflow:
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENOVERFLOWS);
+exit_nonewsk:
+ dst_release(dst);
exit:
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS);
- dst_release(dst);
return NULL;
}