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>

5 files changed, 14 insertions, 30 deletions

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 261ab715043..cd2fb955040 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -774,7 +774,6 @@ void ipoib_mcast_restart_task(struct work_struct *work)
 	ipoib_mcast_stop_thread(dev, 0);
 
 	local_irq_save(flags);
-	netif_tx_lock(dev);
 	netif_addr_lock(dev);
 	spin_lock(&priv->lock);
 
@@ -853,7 +852,6 @@ void ipoib_mcast_restart_task(struct work_struct *work)
 
 	spin_unlock(&priv->lock);
 	netif_addr_unlock(dev);
-	netif_tx_unlock(dev);
 	local_irq_restore(flags);
 
 	/* We have to cancel outside of the spinlock */
diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c
index 809d18c663b..c2c033722a9 100644
--- a/drivers/media/dvb/dvb-core/dvb_net.c
+++ b/drivers/media/dvb/dvb-core/dvb_net.c
@@ -1133,8 +1133,7 @@ static void wq_set_multicast_list (struct work_struct *work)
 
 	dvb_net_feed_stop(dev);
 	priv->rx_mode = RX_MODE_UNI;
-	netif_tx_lock_bh(dev);
-	netif_addr_lock(dev);
+	netif_addr_lock_bh(dev);
 
 	if (dev->flags & IFF_PROMISC) {
 		dprintk("%s: promiscuous mode\n", dev->name);
@@ -1159,8 +1158,7 @@ static void wq_set_multicast_list (struct work_struct *work)
 		}
 	}
 
-	netif_addr_unlock(dev);
-	netif_tx_unlock_bh(dev);
+	netif_addr_unlock_bh(dev);
 	dvb_net_feed_start(dev);
 }
 
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index ea71abd6f72..fd87dbe7999 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 e1257e556e4..7b2015f9e46 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 42e9b2771ea..14d5d61cec4 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;