linux-kernel - [ 149/184] bonding: Fix slave selection bug.

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Message-Id: <20130604172136.477809906@1wt.eu>
Date:	Tue, 04 Jun 2013 19:23:59 +0200
From:	Willy Tarreau <w@....eu>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Hillf Danton <dhillf@...il.com>,
	"David S. Miller" <davem@...emloft.net>, Willy Tarreau <w@....eu>
Subject: [ 149/184] bonding: Fix slave selection bug.

2.6.32-longterm review patch.  If anyone has any objections, please let me know.

------------------

From: Hillf Danton <dhillf@...il.com>

The returned slave is incorrect, if the net device under check is not
charged yet by the master.

Signed-off-by: Hillf Danton <dhillf@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
(cherry picked from commit af3e5bd5f650163c2e12297f572910a1af1b8236)
Signed-off-by: Willy Tarreau <w@....eu>
---
 drivers/net/bonding/bonding.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 6824771..5d127fc 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -236,11 +236,11 @@ static inline struct slave *bond_get_slave_by_dev(struct bonding *bond, struct n
 
 	bond_for_each_slave(bond, slave, i) {
 		if (slave->dev == slave_dev) {
-			break;
+			return slave;
 		}
 	}
 
-	return slave;
+	return 0;
 }
 
 static inline struct bonding *bond_get_bond_by_slave(struct slave *slave)
-- 
1.7.12.2.21.g234cd45.dirty



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