netns xfrm: xfrm_input() fixup

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index c08a93e..a714dce0 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -104,6 +104,7 @@
 
 int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
 {
+	struct net *net = dev_net(skb->dev);
 	int err;
 	__be32 seq;
 	struct xfrm_state *x;
@@ -151,7 +152,7 @@
 			goto drop;
 		}
 
-		x = xfrm_state_lookup(&init_net, daddr, spi, nexthdr, family);
+		x = xfrm_state_lookup(net, daddr, spi, nexthdr, family);
 		if (x == NULL) {
 			XFRM_INC_STATS(LINUX_MIB_XFRMINNOSTATES);
 			xfrm_audit_state_notfound(skb, family, spi, seq);