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netfilter: remove unneccessary checks from netlink notifiers

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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>
This commit is contained in:
Patrick McHardy
2009-11-06 17:04:00 +01:00
parent 76ac894080
commit dee5817e88
4 changed files with 4 additions and 8 deletions
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3
net/ipv4/netfilter/ip_queue.c
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@@ -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();