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authorIngo Molnar <mingo@elte.hu>2008-10-12 15:17:14 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-12 15:17:14 +0200
commit620f2efcdc5c7a2db68da41bc3df3cf9a718024e (patch)
treeb1a0411e2588953777d0b10245b12044c33cef54 /net/xfrm/xfrm_output.c
parent04944b793e18ece23f63c0252646b310c1845940 (diff)
parentfd048088306656824958e7783ffcee27e241b361 (diff)
Merge branch 'linus' into x86/xsave
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 ac25b4c0e982..dc50f1e71f76 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)