xfrm: Return dst directly from xfrm_lookup()
Instead of on the stack.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index 994a1f2..9770bb4 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -69,7 +69,8 @@
xfrm_decode_session(skb, &fl, AF_INET) == 0) {
struct dst_entry *dst = skb_dst(skb);
skb_dst_set(skb, NULL);
- if (xfrm_lookup(net, &dst, &fl, skb->sk, 0))
+ dst = xfrm_lookup(net, dst, &fl, skb->sk, 0);
+ if (IS_ERR(dst))
return -1;
skb_dst_set(skb, dst);
}
@@ -102,7 +103,8 @@
dst = ((struct xfrm_dst *)dst)->route;
dst_hold(dst);
- if (xfrm_lookup(dev_net(dst->dev), &dst, &fl, skb->sk, 0) < 0)
+ dst = xfrm_lookup(dev_net(dst->dev), dst, &fl, skb->sk, 0);
+ if (IS_ERR(dst))
return -1;
skb_dst_drop(skb);