linux-kernel - [34-longterm 146/209] bonding: Fix slave selection bug.

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Date:	Thu, 14 Apr 2011 13:55:04 -0400
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	stable@...nel.org, linux-kernel@...r.kernel.org
Cc:	stable-review@...nel.org, Hillf Danton <dhillf@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Paul Gortmaker <paul.gortmaker@...driver.com>
Subject: [34-longterm 146/209] bonding: Fix slave selection bug.

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

  =====================================================================
  | This is a commit scheduled for the next v2.6.34 longterm release. |
  | If you see a problem with using this for longterm, please comment.|
  =====================================================================

commit af3e5bd5f650163c2e12297f572910a1af1b8236 upstream

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>
Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
---
 drivers/net/bonding/bonding.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 257a7a4..d881eb8 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -235,11 +235,11 @@ 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)
-- 
1.7.4.4

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