patch-2.4.22 linux-2.4.22/net/netlink/af_netlink.c

• Lines: 12
• Date: 2003-08-25 04:44:44.000000000 -0700
• Orig file: linux-2.4.21/net/netlink/af_netlink.c
• Orig date: 2003-06-13 07:51:39.000000000 -0700

diff -urN linux-2.4.21/net/netlink/af_netlink.c linux-2.4.22/net/netlink/af_netlink.c
@@ -420,6 +420,11 @@
 	if (sk == NULL)
 		goto no_dst;
 
+	/* Don't bother queuing skb if kernel socket has no input function */
+	if (sk->protinfo.af_netlink->pid == 0 &&
+	    !sk->protinfo.af_netlink->data_ready)
+		goto no_dst;
+
 #ifdef NL_EMULATE_DEV
 	if (sk->protinfo.af_netlink->handler) {
 		skb_orphan(skb);