From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ding Tianhong Subject: [PATCH net-next v6 9/11] bonding: remove unwanted lock for bond_option_active_slave_set() Date: Fri, 13 Dec 2013 10:20:17 +0800 Message-ID: <52AA6EE1.1070200@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit To: Jay Vosburgh , Andy Gospodarek , "David S. Miller" , Nikolay Aleksandrov , Veaceslav Falico , Netdev Return-path: Received: from szxga02-in.huawei.com ([119.145.14.65]:19218 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751615Ab3LMCVL (ORCPT ); Thu, 12 Dec 2013 21:21:11 -0500 Sender: netdev-owner@vger.kernel.org List-ID: The bond_option_active_slave_set() is always called in RTNL, the RTNL could protect bond slave list, so remove the unwanted bond lock. Suggested-by: Jay Vosburgh Suggested-by: Veaceslav Falico Signed-off-by: Ding Tianhong --- drivers/net/bonding/bond_options.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c index ea6f640..479365e 100644 --- a/drivers/net/bonding/bond_options.c +++ b/drivers/net/bonding/bond_options.c @@ -106,7 +106,6 @@ int bond_option_active_slave_set(struct bonding *bond, } block_netpoll_tx(); - read_lock(&bond->lock); write_lock_bh(&bond->curr_slave_lock); /* check to see if we are clearing active */ @@ -141,7 +140,6 @@ int bond_option_active_slave_set(struct bonding *bond, } write_unlock_bh(&bond->curr_slave_lock); - read_unlock(&bond->lock); unblock_netpoll_tx(); return ret; } -- 1.8.0