[NETFILTER]: nfnetlink_log: micro-optimization for inst==NULL in nfulnl_recv_config() (f414c16c) · Commits · 戴 / test

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

net/netfilter/nfnetlink_log.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -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) {