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authorIngo Molnar <mingo@elte.hu>2008-10-12 12:39:30 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-12 12:39:50 +0200
commit4c7145a1ec1bb789d5f07e47510e8bda546a7c4a (patch)
treee2767b77e5413473a3bba302237f4669a203f183 /net/xfrm/xfrm_output.c
parent74e91604b2452c15bbe72d77b37cf47ed0310d13 (diff)
parentfd048088306656824958e7783ffcee27e241b361 (diff)
Merge branch 'linus' into x86/spinlocks
Done to prevent this failure of an Octopus merge: Added arch/arm/include/asm/byteorder.h in both, but differently. ERROR: Merge conflict in arch/arm/include/asm/byteorder.h Auto-merging include/asm-x86/spinlock.h ERROR: Merge conflict in include/asm-x86/spinlock.h fatal: merge program failed
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)