net/xfrm/xfrm_user.c: needs update
Index: net/xfrm/xfrm_user.c
===================================================================
--- c24f26cfe03081d10a3a3f66d5d3e503395090b4/net/xfrm/xfrm_user.c  (mode:100644)
+++ uncommitted/net/xfrm/xfrm_user.c  (mode:100644)
@@ -1114,9 +1114,9 @@
 static int xfrm_exp_state_notify(struct xfrm_state *x, struct km_event *c)
 {
 	struct sk_buff *skb;
+	int len = NLMSG_LENGTH(sizeof(struct xfrm_user_expire));
 
-	/* fix to do alloc using NLM macros */
-	skb = alloc_skb(sizeof(struct xfrm_user_expire) + 16, GFP_ATOMIC);
+	skb = alloc_skb(len, GFP_ATOMIC);
 	if (skb == NULL)
 		return -ENOMEM;