aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/bonding
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2008-07-15 00:13:44 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-15 00:13:44 -0700
commite308a5d806c852f56590ffdd3834d0df0cbed8d7 (patch)
tree294ff654e90950f5162737c26f4799b0b710b748 /drivers/net/bonding
parentf1f28aa3510ddb84c966bac65611bb866c77a092 (diff)
netdev: Add netdev->addr_list_lock protection.
Add netif_addr_{lock,unlock}{,_bh}() helpers. Use them to protect operations that operate on or read the network device unicast and multicast address lists. Also use them in cases where the code simply wants to block calls into the driver's ->set_rx_mode() and ->set_multicast_list() methods. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bonding')
-rw-r--r--drivers/net/bonding/bond_main.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 8ae7ff31321..ea71abd6f72 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1568,10 +1568,12 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
}
netif_tx_lock_bh(bond_dev);
+ netif_addr_lock(bond_dev);
/* upload master's mc_list to new slave */
for (dmi = bond_dev->mc_list; dmi; dmi = dmi->next) {
dev_mc_add (slave_dev, dmi->dmi_addr, dmi->dmi_addrlen, 0);
}
+ netif_addr_unlock(bond_dev);
netif_tx_unlock_bh(bond_dev);
}
@@ -1937,7 +1939,9 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
/* flush master's mc_list from slave */
netif_tx_lock_bh(bond_dev);
+ netif_addr_lock(bond_dev);
bond_mc_list_flush(bond_dev, slave_dev);
+ netif_addr_unlock(bond_dev);
netif_tx_unlock_bh(bond_dev);
}
@@ -2060,7 +2064,9 @@ static int bond_release_all(struct net_device *bond_dev)
/* flush master's mc_list from slave */
netif_tx_lock_bh(bond_dev);
+ netif_addr_lock(bond_dev);
bond_mc_list_flush(bond_dev, slave_dev);
+ netif_addr_unlock(bond_dev);
netif_tx_unlock_bh(bond_dev);
}
@@ -4674,7 +4680,9 @@ static void bond_free_all(void)
bond_work_cancel_all(bond);
netif_tx_lock_bh(bond_dev);
+ netif_addr_lock(bond_dev);
bond_mc_list_destroy(bond);
+ netif_addr_unlock(bond_dev);
netif_tx_unlock_bh(bond_dev);
/* Release the bonded slaves */
bond_release_all(bond_dev);