netdev - [PATCH v2 net-next 06/27] bonding: modify bond_get_slave_by

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 10 Sep 2013 22:57:50 +0200
From:	Veaceslav Falico <vfalico@...hat.com>
To:	netdev@...r.kernel.org
Cc:	jiri@...nulli.us, Veaceslav Falico <vfalico@...hat.com>,
	Jay Vosburgh <fubar@...ibm.com>,
	Andy Gospodarek <andy@...yhouse.net>
Subject: [PATCH v2 net-next 06/27] bonding: modify bond_get_slave_by_dev() to use neighbours

It should be used under rtnl/bonding lock, so use the non-RCU version.

CC: Jay Vosburgh <fubar@...ibm.com>
CC: Andy Gospodarek <andy@...yhouse.net>
Signed-off-by: Veaceslav Falico <vfalico@...hat.com>
---

Notes:
    v1  -> v2:
    No changes.
    
    RFC -> v1:
    Move the patch right after we've populated ->private with bonding.

 drivers/net/bonding/bonding.h | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index f7ab161..6d1a893 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -275,13 +275,8 @@ struct bonding {
 static inline struct slave *bond_get_slave_by_dev(struct bonding *bond,
 						  struct net_device *slave_dev)
 {
-	struct slave *slave = NULL;
-
-	bond_for_each_slave(bond, slave)
-		if (slave->dev == slave_dev)
-			return slave;
-
-	return NULL;
+	return (struct slave *)netdev_lower_dev_get_private(bond->dev,
+							    slave_dev);
 }
 
 static inline struct bonding *bond_get_bond_by_slave(struct slave *slave)
-- 
1.8.4

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html