From 4e789fc1a62d4c25726ee053044399d71471fe2f Mon Sep 17 00:00:00 2001 From: dingtianhong <dingtianhong@huawei.com> Date: Fri, 13 Dec 2013 10:20:17 +0800 Subject: [PATCH] bonding: remove unwanted lock for bond_option_active_slave_set() 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 <fubar@us.ibm.com> Suggested-by: Veaceslav Falico <vfalico@redhat.com> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net> --- 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 dfef673d53d1..600779e5904f 100644 --- a/drivers/net/bonding/bond_options.c +++ b/drivers/net/bonding/bond_options.c @@ -107,7 +107,6 @@ 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 */ @@ -142,7 +141,6 @@ 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; } -- GitLab