X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fxfrm%2Fxfrm_output.c;h=3f964db908a71466e77949568d6ea672c63f281c;hb=698f7a4a12c15fef354b2a1ac14f90a0e71008d9;hp=09cd9c0c2d805bcac6f742d5a3ef8945502fe223;hpb=08acd4f8af42affd8cbed81cc1b69fa12ddb213f;p=linux-2.6

diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index 09cd9c0c2d..3f964db908 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -25,11 +25,11 @@ static int xfrm_state_check_space(struct xfrm_state *x, struct sk_buff *skb)
 	struct dst_entry *dst = skb->dst;
 	int nhead = dst->header_len + LL_RESERVED_SPACE(dst->dev)
 		- skb_headroom(skb);
+	int ntail = dst->dev->needed_tailroom - skb_tailroom(skb);
 
-	if (nhead > 0)
-		return pskb_expand_head(skb, nhead, 0, GFP_ATOMIC);
+	if (nhead > 0 || ntail > 0)
+		return pskb_expand_head(skb, nhead, ntail, GFP_ATOMIC);
 
-	/* Check tail too... */
 	return 0;
 }