ipv4: Show that ip_send_reply() is purely unicast routine.
Rename it to ip_send_unicast_reply() and add explicit 'saddr'
argument.
This removed one of the few users of rt->rt_spec_dst.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 0f3185a..2630900 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1459,13 +1459,14 @@
/*
* Generic function to send a packet as reply to another packet.
- * Used to send TCP resets so far. ICMP should use this function too.
+ * Used to send TCP resets so far.
*
* 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, __be32 daddr,
- const struct ip_reply_arg *arg, unsigned int len)
+void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr,
+ __be32 saddr, const struct ip_reply_arg *arg,
+ unsigned int len)
{
struct inet_sock *inet = inet_sk(sk);
struct ip_options_data replyopts;
@@ -1491,7 +1492,7 @@
RT_TOS(arg->tos),
RT_SCOPE_UNIVERSE, sk->sk_protocol,
ip_reply_arg_flowi_flags(arg),
- daddr, rt->rt_spec_dst,
+ daddr, saddr,
tcp_hdr(skb)->source, tcp_hdr(skb)->dest);
security_skb_classify_flow(skb, flowi4_to_flowi(&fl4));
rt = ip_route_output_key(sock_net(sk), &fl4);