netdev - [PATCH] xfrm: fix error checking in xfrm_output

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Date:	Thu, 27 Oct 2011 13:33:18 +0800
From:	"Yan, Zheng" <zheng.z.yan@...el.com>
To:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:	Herbert Xu <herbert@...dor.apana.org.au>,
	"davem@...emloft.net" <davem@...emloft.net>
Subject: [PATCH] xfrm: fix error checking in xfrm_output_gso

xfrm_output2() returns 1 on success. This bug makes xfrm_output_gso()
drop all segments except the first one.

Signed-off-by: Zheng Yan <zheng.z.yan@...el.com>
---
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index 47bacd8..04e963a 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -159,7 +159,7 @@ static int xfrm_output_gso(struct sk_buff *skb)
 		segs->next = NULL;
 		err = xfrm_output2(segs);
 
-		if (unlikely(err)) {
+		if (unlikely(err < 0)) {
 			while ((segs = nskb)) {
 				nskb = segs->next;
 				segs->next = NULL;
--
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