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>

1 files changed, 3 insertions, 4 deletions

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index cd89d22902a9..70778d48aa7b 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1459,20 +1459,19 @@ static int ip_reply_glue_bits(void *dptr, char *to, int offset,
  *      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;