netdev: Do not use TX lock to protect address lists.

Now that we have a specific lock to protect the network
device unicast and multicast lists, remove extraneous
grabs of the TX lock in cases where the code only needs
address list protection.

Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 12 insertions, 24 deletions

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index ea71abd6f728..fd87dbe7999a 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1567,14 +1567,12 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
 				goto err_close;
 		}
 
-		netif_tx_lock_bh(bond_dev);
-		netif_addr_lock(bond_dev);
+		netif_addr_lock_bh(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);
+		netif_addr_unlock_bh(bond_dev);
 	}
 
 	if (bond->params.mode == BOND_MODE_8023AD) {
@@ -1938,11 +1936,9 @@ 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);
+		netif_addr_lock_bh(bond_dev);
 		bond_mc_list_flush(bond_dev, slave_dev);
-		netif_addr_unlock(bond_dev);
-		netif_tx_unlock_bh(bond_dev);
+		netif_addr_unlock_bh(bond_dev);
 	}
 
 	netdev_set_master(slave_dev, NULL);
@@ -2063,11 +2059,9 @@ 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);
+			netif_addr_lock_bh(bond_dev);
 			bond_mc_list_flush(bond_dev, slave_dev);
-			netif_addr_unlock(bond_dev);
-			netif_tx_unlock_bh(bond_dev);
+			netif_addr_unlock_bh(bond_dev);
 		}
 
 		netdev_set_master(slave_dev, NULL);
@@ -4679,11 +4673,9 @@ static void bond_free_all(void)
 		struct net_device *bond_dev = bond->dev;
 
 		bond_work_cancel_all(bond);
-		netif_tx_lock_bh(bond_dev);
-		netif_addr_lock(bond_dev);
+		netif_addr_lock_bh(bond_dev);
 		bond_mc_list_destroy(bond);
-		netif_addr_unlock(bond_dev);
-		netif_tx_unlock_bh(bond_dev);
+		netif_addr_unlock_bh(bond_dev);
 		/* Release the bonded slaves */
 		bond_release_all(bond_dev);
 		bond_destroy(bond);
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index e1257e556e48..7b2015f9e469 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -696,10 +696,8 @@ static void efx_stop_port(struct efx_nic *efx)
 
 	/* Serialise against efx_set_multicast_list() */
 	if (efx_dev_registered(efx)) {
-		netif_tx_lock_bh(efx->net_dev);
-		netif_addr_lock(efx->net_dev);
-		netif_addr_unlock(efx->net_dev);
-		netif_tx_unlock_bh(efx->net_dev);
+		netif_addr_lock_bh(efx->net_dev);
+		netif_addr_unlock_bh(efx->net_dev);
 	}
 }
 
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 42e9b2771eab..14d5d61cec4c 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -593,8 +593,7 @@ static int lbs_add_mcast_addrs(struct cmd_ds_mac_multicast_adr *cmd,
 	if ((dev->flags & (IFF_UP|IFF_MULTICAST)) != (IFF_UP|IFF_MULTICAST))
 		return nr_addrs;
 
-	netif_tx_lock_bh(dev);
-	netif_addr_lock(dev);
+	netif_addr_lock_bh(dev);
 	for (mc_list = dev->mc_list; mc_list; mc_list = mc_list->next) {
 		if (mac_in_list(cmd->maclist, nr_addrs, mc_list->dmi_addr)) {
 			lbs_deb_net("mcast address %s:%s skipped\n", dev->name,
@@ -609,8 +608,7 @@ static int lbs_add_mcast_addrs(struct cmd_ds_mac_multicast_adr *cmd,
 			    print_mac(mac, mc_list->dmi_addr));
 		i++;
 	}
-	netif_addr_unlock(dev);
-	netif_tx_unlock_bh(dev);
+	netif_addr_unlock_bh(dev);
 	if (mc_list)
 		return -EOVERFLOW;