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authorIngo Molnar <mingo@elte.hu>2008-10-10 09:25:29 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-10 09:25:29 +0200
commit8eb95f28f66b1a5461fdbcc9a1ee9068fb2cf2b6 (patch)
treee42d0e004b07f86d38de930fc163f3ca7d121f9c /net/xfrm/xfrm_output.c
parentd7451fca18e2ec62641ae4bbfe946069f13765a3 (diff)
parent3fa8749e584b55f1180411ab1b51117190bac1e5 (diff)
Merge commit 'v2.6.27' into timers/hpet
Diffstat (limited to 'net/xfrm/xfrm_output.c')
-rw-r--r--net/xfrm/xfrm_output.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index ac25b4c0e98..dc50f1e71f7 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -27,10 +27,14 @@ static int xfrm_state_check_space(struct xfrm_state *x, struct sk_buff *skb)
- skb_headroom(skb);
int ntail = dst->dev->needed_tailroom - skb_tailroom(skb);
- if (nhead > 0 || ntail > 0)
- return pskb_expand_head(skb, nhead, ntail, GFP_ATOMIC);
-
- return 0;
+ if (nhead <= 0) {
+ if (ntail <= 0)
+ return 0;
+ nhead = 0;
+ } else if (ntail < 0)
+ ntail = 0;
+
+ return pskb_expand_head(skb, nhead, ntail, GFP_ATOMIC);
}
static int xfrm_output_one(struct sk_buff *skb, int err)