linux-kernel - [PATCH 3.12 036/116] iw_cxgb3: Fix incorrectly returning error on success

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Message-Id: <aec2e8966c788ccb1d7beed3401adfb470676877.1457082108.git.jslaby@suse.cz>
Date:	Fri,  4 Mar 2016 10:01:21 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Hariprasad S <hariprasad@...lsio.com>,
	Steve Wise <swise@...ngridcomputing.com>,
	Doug Ledford <dledford@...hat.com>, Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 036/116] iw_cxgb3: Fix incorrectly returning error on success

From: Hariprasad S <hariprasad@...lsio.com>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 67f1aee6f45059fd6b0f5b0ecb2c97ad0451f6b3 upstream.

The cxgb3_*_send() functions return NET_XMIT_ values, which are
positive integers values. So don't treat positive return values
as an error.

Signed-off-by: Steve Wise <swise@...ngridcomputing.com>
Signed-off-by: Hariprasad Shenai <hariprasad@...lsio.com>
Signed-off-by: Doug Ledford <dledford@...hat.com>
[a pox on developers and maintainers who do not cc: stable for bug fixes like this - gregkh]
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/infiniband/hw/cxgb3/iwch_cm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c
index cb78b1e9bcd9..f504ba73e5dc 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c
@@ -149,7 +149,7 @@ static int iwch_l2t_send(struct t3cdev *tdev, struct sk_buff *skb, struct l2t_en
 	error = l2t_send(tdev, skb, l2e);
 	if (error < 0)
 		kfree_skb(skb);
-	return error;
+	return error < 0 ? error : 0;
 }
 
 int iwch_cxgb3_ofld_send(struct t3cdev *tdev, struct sk_buff *skb)
@@ -165,7 +165,7 @@ int iwch_cxgb3_ofld_send(struct t3cdev *tdev, struct sk_buff *skb)
 	error = cxgb3_ofld_send(tdev, skb);
 	if (error < 0)
 		kfree_skb(skb);
-	return error;
+	return error < 0 ? error : 0;
 }
 
 static void release_tid(struct t3cdev *tdev, u32 hwtid, struct sk_buff *skb)
-- 
2.7.2