[PATCH] bonding: Don't release slaves when master is admin down

When a bonding netdevice is admin-ed down it loses the slaves
attributes (set via ifenslave). This is not consistent with other
behavior of netdevices (example a qdisc attached to a netdevice doesnt
disappear or an attached IP address etc).
The included patch fixes this. Ive tested by ifenslaving, downing the
bond, checking /proc and making sure it still has the slaves, up-ing the
bond and making sure things continue to work.

Jay/Bonding folks if you are ok with it, just ACK it or include it in
your tree etc. Otherwise we can discuss.

Acked-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 9e5a533..bafe62f 100644 (file)
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3430,7 +3430,6 @@ static int bond_close(struct net_device *bond_dev)
 
        write_lock_bh(&bond->lock);
 
-       bond_mc_list_destroy(bond);
 
        /* signal timers not to re-arm */
        bond->kill_timers = 1;
@@ -3461,8 +3460,6 @@ static int bond_close(struct net_device *bond_dev)
                break;
        }
 
-       /* Release the bonded slaves */
-       bond_release_all(bond_dev);
 
        if ((bond->params.mode == BOND_MODE_TLB) ||
            (bond->params.mode == BOND_MODE_ALB)) {
@@ -4248,6 +4245,9 @@ static void bond_free_all(void)
        list_for_each_entry_safe(bond, nxt, &bond_dev_list, bond_list) {
                struct net_device *bond_dev = bond->dev;
 
+               bond_mc_list_destroy(bond);
+               /* Release the bonded slaves */
+               bond_release_all(bond_dev);
                unregister_netdevice(bond_dev);
                bond_deinit(bond_dev);
        }