bonding: Fix race at module unload

[~andy/linux] / drivers / net / bonding / bond_main.c

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 08879d552ae03bd4539c1d51860a3cd329056451..b0b26036266b51fc381e5e2eede8cf3de2cc270d 100644 (file)
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -4492,6 +4492,27 @@ static void bond_deinit(struct net_device *bond_dev)
 #endif
 }
 
+static void bond_work_cancel_all(struct bonding *bond)
+{
+       write_lock_bh(&bond->lock);
+       bond->kill_timers = 1;
+       write_unlock_bh(&bond->lock);
+
+       if (bond->params.miimon && delayed_work_pending(&bond->mii_work))
+               cancel_delayed_work(&bond->mii_work);
+
+       if (bond->params.arp_interval && delayed_work_pending(&bond->arp_work))
+               cancel_delayed_work(&bond->arp_work);
+
+       if (bond->params.mode == BOND_MODE_ALB &&
+           delayed_work_pending(&bond->alb_work))
+               cancel_delayed_work(&bond->alb_work);
+
+       if (bond->params.mode == BOND_MODE_8023AD &&
+           delayed_work_pending(&bond->ad_work))
+               cancel_delayed_work(&bond->ad_work);
+}
+
 /* Unregister and free all bond devices.
  * Caller must hold rtnl_lock.
  */
@@ -4502,6 +4523,7 @@ 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_work_cancel_all(bond);
                bond_mc_list_destroy(bond);
                /* Release the bonded slaves */
                bond_release_all(bond_dev);
@@ -4902,27 +4924,6 @@ out_rtnl:
        return res;
 }
 
-static void bond_work_cancel_all(struct bonding *bond)
-{
-       write_lock_bh(&bond->lock);
-       bond->kill_timers = 1;
-       write_unlock_bh(&bond->lock);
-
-       if (bond->params.miimon && delayed_work_pending(&bond->mii_work))
-               cancel_delayed_work(&bond->mii_work);
-
-       if (bond->params.arp_interval && delayed_work_pending(&bond->arp_work))
-               cancel_delayed_work(&bond->arp_work);
-
-       if (bond->params.mode == BOND_MODE_ALB &&
-           delayed_work_pending(&bond->alb_work))
-               cancel_delayed_work(&bond->alb_work);
-
-       if (bond->params.mode == BOND_MODE_8023AD &&
-           delayed_work_pending(&bond->ad_work))
-               cancel_delayed_work(&bond->ad_work);
-}
-
 static int __init bonding_init(void)
 {
        int i;