[XFRM]: xrfm_replay_check() annotations

seq argument is net-endian

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 3692a47..33e9829 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1180,11 +1180,10 @@
 	spin_unlock(&x->lock);
 }
 
-int xfrm_replay_check(struct xfrm_state *x, u32 seq)
+int xfrm_replay_check(struct xfrm_state *x, __be32 net_seq)
 {
 	u32 diff;
-
-	seq = ntohl(seq);
+	u32 seq = ntohl(net_seq);
 
 	if (unlikely(seq == 0))
 		return -EINVAL;