[IPV6]: Cache source address as well in ipv6_pinfo{}.

Based on MIPL2 kernel patch.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Ville Nuorvala <vnuorval@tcs.hut.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 1 deletions

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index eb9e1b39c8f8..b9cc55ccb000 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -847,7 +847,12 @@ do_append_data:
                 if (connected) {
                         ip6_dst_store(sk, dst,
                                       ipv6_addr_equal(&fl->fl6_dst, &np->daddr) ?
-                                      &np->daddr : NULL);
+                                      &np->daddr : NULL,
+#ifdef CONFIG_IPV6_SUBTREES
+                                      ipv6_addr_equal(&fl->fl6_src, &np->saddr) ?
+                                      &np->saddr :
+#endif
+                                      NULL);
                 } else {
                         dst_release(dst);
                 }