commit 0a5ebb8000c5362be368df9d197943deb06b6916
author David S. Miller <davem@davemloft.net> Mon May 09 13:22:43 2011 -0700
committer David S. Miller <davem@davemloft.net> Tue May 10 13:32:46 2011 -0700
tree 63910ddcbd4672dd7705e524a3db8f1324233365
parent 1c3319fb69c29376fe23c1aa0cd7cb6df91c7883

ipv4: Pass explicit daddr arg to ip_send_reply().

This eliminates an access to rt->rt_src.

Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/ip_output.c

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index cd89d22..70778d4 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1459,20 +1459,19 @@
  *	Should run single threaded per socket because it uses the sock
  *     	structure to pass arguments.
  */
-void ip_send_reply(struct sock *sk, struct sk_buff *skb, struct ip_reply_arg *arg,
-		   unsigned int len)
+void ip_send_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr,
+		   struct ip_reply_arg *arg, unsigned int len)
 {
 	struct inet_sock *inet = inet_sk(sk);
 	struct ip_options_data replyopts;
 	struct ipcm_cookie ipc;
 	struct flowi4 fl4;
-	__be32 daddr;
 	struct rtable *rt = skb_rtable(skb);
 
 	if (ip_options_echo(&replyopts.opt.opt, skb))
 		return;
 
-	daddr = ipc.addr = rt->rt_src;
+	ipc.addr = daddr;
 	ipc.opt = NULL;
 	ipc.tx_flags = 0;