xfrm: Return dst directly from xfrm_lookup()

Instead of on the stack.

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

1 files changed, 7 insertions, 1 deletions

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 4f4483e697bd..da43038ae18e 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -903,8 +903,14 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
         else {
                 dst = ip6_route_output(net, NULL, fl);
 
-                if (dst->error || xfrm_lookup(net, &dst, fl, NULL, 0) < 0)
+                if (dst->error)
                         goto tx_err_link_failure;
+                dst = xfrm_lookup(net, dst, fl, NULL, 0);
+                if (IS_ERR(dst)) {
+                        err = PTR_ERR(dst);
+                        dst = NULL;
+                        goto tx_err_link_failure;
+                }
         }
 
         tdev = dst->dev;