From: Jay Vosburgh Date: Tue, 6 Nov 2007 21:33:28 +0000 (-0800) Subject: bonding: fix rtnl locking merge error X-Git-Tag: v2.6.24-rc3~163^2~9 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=1466a21997212a5fb33d5da9357841972b28b007;p=linux-2.6-omap-h63xx.git bonding: fix rtnl locking merge error Looks like I incorrectly merged one of the rtnl lock changes, so that one function, bonding_show_active_slave, held rtnl but didn't release it, and another, bonding_store_active_slave, never held rtnl but did release it. Fixed so the first function doesn't mess with rtnl, and the second correctly acquires and releases rtnl. Bug reported by Moni Shoua Signed-off-by: Jay Vosburgh Signed-off-by: Jeff Garzik --- diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index 7a06ade85b0..b29330d8e30 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -1193,8 +1193,6 @@ static ssize_t bonding_show_active_slave(struct device *d, struct bonding *bond = to_bond(d); int count; - rtnl_lock(); - read_lock(&bond->curr_slave_lock); curr = bond->curr_active_slave; read_unlock(&bond->curr_slave_lock); @@ -1216,7 +1214,9 @@ static ssize_t bonding_store_active_slave(struct device *d, struct slave *new_active = NULL; struct bonding *bond = to_bond(d); + rtnl_lock(); write_lock_bh(&bond->lock); + if (!USES_PRIMARY(bond->params.mode)) { printk(KERN_INFO DRV_NAME ": %s: Unable to change active slave; %s is in mode %d\n",