netfilter: ipt_REJECT: avoid touching dst ref

We can avoid a pair of atomic ops in ipt_REJECT send_reset() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
git-mirror · Jul 5, 2010 · b13b712 · b13b712
1 parent 98b0e84
commit b13b712
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
@@ -110,7 +110,7 @@ static void send_reset(struct sk_buff *oldskb, int hook)
 		addr_type = RTN_LOCAL;
 
 	/* ip_route_me_harder expects skb->dst to be set */
-	skb_dst_set(nskb, dst_clone(skb_dst(oldskb)));
+	skb_dst_set_noref(nskb, skb_dst(oldskb));
 
 	if (ip_route_me_harder(nskb, addr_type))
 		goto free_nskb;