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| author | Patrick McHardy <kaber@trash.net> | 2009-11-06 17:04:00 +0100 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2009-11-06 17:04:00 +0100 |
| commit | dee5817e88ac8195e5938d6671f434a071e35698 (patch) | |
| tree | 7697b0bf04c23f6b0c3dad9755a9a7c9b668365f | |
| parent | 76ac894080019c6619d3c3bf615db42a43a77f32 (diff) | |
| download | op-kernel-dev-dee5817e88ac8195e5938d6671f434a071e35698.zip op-kernel-dev-dee5817e88ac8195e5938d6671f434a071e35698.tar.gz | |
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>
| -rw-r--r-- | net/ipv4/netfilter/ip_queue.c | 3 | ||||
| -rw-r--r-- | net/ipv6/netfilter/ip6_queue.c | 3 | ||||
| -rw-r--r-- | net/netfilter/nfnetlink_log.c | 3 | ||||
| -rw-r--r-- | net/netfilter/nfnetlink_queue.c | 3 |
4 files changed, 4 insertions, 8 deletions
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c index 9811a45..9f07870 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(); diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c index a82016f..47a3623 100644 --- a/net/ipv6/netfilter/ip6_queue.c +++ b/net/ipv6/netfilter/ip6_queue.c @@ -499,8 +499,7 @@ ipq_rcv_nl_event(struct notifier_block *this, { struct netlink_notify *n = ptr; - if (event == NETLINK_URELEASE && - n->protocol == NETLINK_IP6_FW && n->pid) { + if (event == NETLINK_URELEASE && n->protocol == NETLINK_IP6_FW) { write_lock_bh(&queue_lock); if ((n->net == &init_net) && (n->pid == peer_pid)) __ipq_reset(); diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index f900dc3..3aa66b2 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -666,8 +666,7 @@ nfulnl_rcv_nl_event(struct notifier_block *this, { struct netlink_notify *n = ptr; - if (event == NETLINK_URELEASE && - n->protocol == NETLINK_NETFILTER && n->pid) { + if (event == NETLINK_URELEASE && n->protocol == NETLINK_NETFILTER) { int i; /* destroy all instances for this pid */ diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index 7a9dec9..7e3fa4106 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -574,8 +574,7 @@ nfqnl_rcv_nl_event(struct notifier_block *this, { struct netlink_notify *n = ptr; - if (event == NETLINK_URELEASE && - n->protocol == NETLINK_NETFILTER && n->pid) { + if (event == NETLINK_URELEASE && n->protocol == NETLINK_NETFILTER) { int i; /* destroy all instances for this pid */ |
