[NETFILTER]: nf_conntrack_netlink: fix unbalanced locking

Properly drop nf_conntrack_lock on tuple parsing error.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 38141f1..bdae292 100644 (file)
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1237,7 +1237,7 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
                                                    CTA_TUPLE_MASTER,
                                                    u3);
                        if (err < 0)
-                               return err;
+                               goto out_unlock;
 
                        master_h = __nf_conntrack_find(&master, NULL);
                        if (master_h == NULL) {