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[NETFILTER]: nfnetlink_log: micro-optimization for inst==NULL in nfulnl_recv_config() 

Simple micro-optimization: don't call instance_put() on known NULL pointers.

Signed-off-by: Michal Miroslaw <mirq-linux@rere.qmqm.pl>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michal Miroslaw 2007-03-23 11:11:31 -07:00 committed by David S. Miller
parent 55b5a91e17
commit f414c16c04
1 changed files with 3 additions and 3 deletions
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6
net/netfilter/nfnetlink_log.c
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@ -810,13 +810,13 @@ nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb,
NETLINK_CB(skb).pid);
if (!inst) {
ret = -EINVAL;
goto out_put;
goto out;
}
break;
case NFULNL_CFG_CMD_UNBIND:
if (!inst) {
ret = -ENODEV;
goto out_put;
goto out;
}
if (inst->peer_pid != NETLINK_CB(skb).pid) {
@ -849,7 +849,7 @@ nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb,
"group=%u pid=%u =>ENOENT\n",
group_num, NETLINK_CB(skb).pid);
ret = -ENOENT;
goto out_put;
goto out;
}
if (inst->peer_pid != NETLINK_CB(skb).pid) {