netfilter: remove unneccessary checks from netlink notifiers

The NETLINK_URELEASE notifier is only invoked for bound sockets, so
there is no need to check ->pid again.

Signed-off-by: Patrick McHardy <kaber@trash.net>

1 files changed, 1 insertions, 2 deletions

diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index 9811a456fb5d..9f0787091951 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -497,8 +497,7 @@ ipq_rcv_nl_event(struct notifier_block *this,
 {
         struct netlink_notify *n = ptr;
 
-        if (event == NETLINK_URELEASE &&
-            n->protocol == NETLINK_FIREWALL && n->pid) {
+        if (event == NETLINK_URELEASE && n->protocol == NETLINK_FIREWALL) {
                 write_lock_bh(&queue_lock);
                 if ((n->net == &init_net) && (n->pid == peer_pid))
                         __ipq_reset();