4 files changed, 34 insertions, 0 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index d933d1bfa6fa..ef1502d71f25 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2982,7 +2982,9 @@ void __dev_set_rx_mode(struct net_device *dev)
 void dev_set_rx_mode(struct net_device *dev)
 {
         netif_tx_lock_bh(dev);
+        netif_addr_lock(dev);
         __dev_set_rx_mode(dev);
+        netif_addr_unlock(dev);
         netif_tx_unlock_bh(dev);
 }
 
@@ -3062,9 +3064,11 @@ int dev_unicast_delete(struct net_device *dev, void *addr, int alen)
         ASSERT_RTNL();
 
         netif_tx_lock_bh(dev);
+        netif_addr_lock(dev);
         err = __dev_addr_delete(&dev->uc_list, &dev->uc_count, addr, alen, 0);
         if (!err)
                 __dev_set_rx_mode(dev);
+        netif_addr_unlock(dev);
         netif_tx_unlock_bh(dev);
         return err;
 }
@@ -3088,9 +3092,11 @@ int dev_unicast_add(struct net_device *dev, void *addr, int alen)
         ASSERT_RTNL();
 
         netif_tx_lock_bh(dev);
+        netif_addr_lock(dev);
         err = __dev_addr_add(&dev->uc_list, &dev->uc_count, addr, alen, 0);
         if (!err)
                 __dev_set_rx_mode(dev);
+        netif_addr_unlock(dev);
         netif_tx_unlock_bh(dev);
         return err;
 }
@@ -3159,10 +3165,12 @@ int dev_unicast_sync(struct net_device *to, struct net_device *from)
         int err = 0;
 
         netif_tx_lock_bh(to);
+        netif_addr_lock(to);
         err = __dev_addr_sync(&to->uc_list, &to->uc_count,
                               &from->uc_list, &from->uc_count);
         if (!err)
                 __dev_set_rx_mode(to);
+        netif_addr_unlock(to);
         netif_tx_unlock_bh(to);
         return err;
 }
@@ -3180,13 +3188,17 @@ EXPORT_SYMBOL(dev_unicast_sync);
 void dev_unicast_unsync(struct net_device *to, struct net_device *from)
 {
         netif_tx_lock_bh(from);
+        netif_addr_lock(from);
         netif_tx_lock_bh(to);
+        netif_addr_lock(to);
 
         __dev_addr_unsync(&to->uc_list, &to->uc_count,
                           &from->uc_list, &from->uc_count);
         __dev_set_rx_mode(to);
 
+        netif_addr_unlock(to);
         netif_tx_unlock_bh(to);
+        netif_addr_unlock(from);
         netif_tx_unlock_bh(from);
 }
 EXPORT_SYMBOL(dev_unicast_unsync);
@@ -3208,6 +3220,7 @@ static void __dev_addr_discard(struct dev_addr_list **list)
 static void dev_addr_discard(struct net_device *dev)
 {
         netif_tx_lock_bh(dev);
+        netif_addr_lock(dev);
 
         __dev_addr_discard(&dev->uc_list);
         dev->uc_count = 0;
@@ -3215,6 +3228,7 @@ static void dev_addr_discard(struct net_device *dev)
         __dev_addr_discard(&dev->mc_list);
         dev->mc_count = 0;
 
+        netif_addr_unlock(dev);
         netif_tx_unlock_bh(dev);
 }
 
diff --git a/net/core/dev_mcast.c b/net/core/dev_mcast.c
index f8a3455f4493..b6b2a129971a 100644
--- a/net/core/dev_mcast.c
+++ b/net/core/dev_mcast.c
@@ -73,6 +73,7 @@ int dev_mc_delete(struct net_device *dev, void *addr, int alen, int glbl)
         int err;
 
         netif_tx_lock_bh(dev);
+        netif_addr_lock(dev);
         err = __dev_addr_delete(&dev->mc_list, &dev->mc_count,
                                 addr, alen, glbl);
         if (!err) {
@@ -83,6 +84,7 @@ int dev_mc_delete(struct net_device *dev, void *addr, int alen, int glbl)
 
                 __dev_set_rx_mode(dev);
         }
+        netif_addr_unlock(dev);
         netif_tx_unlock_bh(dev);
         return err;
 }
@@ -96,9 +98,11 @@ int dev_mc_add(struct net_device *dev, void *addr, int alen, int glbl)
         int err;
 
         netif_tx_lock_bh(dev);
+        netif_addr_lock(dev);
         err = __dev_addr_add(&dev->mc_list, &dev->mc_count, addr, alen, glbl);
         if (!err)
                 __dev_set_rx_mode(dev);
+        netif_addr_unlock(dev);
         netif_tx_unlock_bh(dev);
         return err;
 }
@@ -120,10 +124,12 @@ int dev_mc_sync(struct net_device *to, struct net_device *from)
         int err = 0;
 
         netif_tx_lock_bh(to);
+        netif_addr_lock(to);
         err = __dev_addr_sync(&to->mc_list, &to->mc_count,
                               &from->mc_list, &from->mc_count);
         if (!err)
                 __dev_set_rx_mode(to);
+        netif_addr_unlock(to);
         netif_tx_unlock_bh(to);
 
         return err;
@@ -144,13 +150,17 @@ EXPORT_SYMBOL(dev_mc_sync);
 void dev_mc_unsync(struct net_device *to, struct net_device *from)
 {
         netif_tx_lock_bh(from);
+        netif_addr_lock(from);
         netif_tx_lock_bh(to);
+        netif_addr_lock(to);
 
         __dev_addr_unsync(&to->mc_list, &to->mc_count,
                           &from->mc_list, &from->mc_count);
         __dev_set_rx_mode(to);
 
+        netif_addr_unlock(to);
         netif_tx_unlock_bh(to);
+        netif_addr_unlock(from);
         netif_tx_unlock_bh(from);
 }
 EXPORT_SYMBOL(dev_mc_unsync);
@@ -165,6 +175,7 @@ static int dev_mc_seq_show(struct seq_file *seq, void *v)
                 return 0;
 
         netif_tx_lock_bh(dev);
+        netif_addr_lock(dev);
         for (m = dev->mc_list; m; m = m->next) {
                 int i;
 
@@ -176,6 +187,7 @@ static int dev_mc_seq_show(struct seq_file *seq, void *v)
 
                 seq_putc(seq, '\n');
         }
+        netif_addr_unlock(dev);
         netif_tx_unlock_bh(dev);
         return 0;
 }
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 36859e794928..095b7d928d64 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -292,7 +292,9 @@ static int ieee80211_open(struct net_device *dev)
                         local->fif_other_bss++;
 
                 netif_tx_lock_bh(local->mdev);
+                netif_addr_lock(local->mdev);
                 ieee80211_configure_filter(local);
+                netif_addr_unlock(local->mdev);
                 netif_tx_unlock_bh(local->mdev);
                 break;
         case IEEE80211_IF_TYPE_STA:
@@ -491,7 +493,9 @@ static int ieee80211_stop(struct net_device *dev)
                         local->fif_other_bss--;
 
                 netif_tx_lock_bh(local->mdev);
+                netif_addr_lock(local->mdev);
                 ieee80211_configure_filter(local);
+                netif_addr_unlock(local->mdev);
                 netif_tx_unlock_bh(local->mdev);
                 break;
         case IEEE80211_IF_TYPE_MESH_POINT:
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 8f51375317dd..1232ba25e1e9 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3869,6 +3869,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw)
 
 
         netif_tx_lock_bh(local->mdev);
+        netif_addr_lock(local->mdev);
         local->filter_flags &= ~FIF_BCN_PRBRESP_PROMISC;
         local->ops->configure_filter(local_to_hw(local),
                                      FIF_BCN_PRBRESP_PROMISC,
@@ -3876,6 +3877,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw)
                                      local->mdev->mc_count,
                                      local->mdev->mc_list);
 
+        netif_addr_unlock(local->mdev);
         netif_tx_unlock_bh(local->mdev);
 
         rcu_read_lock();
@@ -4063,12 +4065,14 @@ static int ieee80211_sta_start_scan(struct net_device *dev,
         local->scan_dev = dev;
 
         netif_tx_lock_bh(local->mdev);
+        netif_addr_lock(local->mdev);
         local->filter_flags |= FIF_BCN_PRBRESP_PROMISC;
         local->ops->configure_filter(local_to_hw(local),
                                      FIF_BCN_PRBRESP_PROMISC,
                                      &local->filter_flags,
                                      local->mdev->mc_count,
                                      local->mdev->mc_list);
+        netif_addr_unlock(local->mdev);
         netif_tx_unlock_bh(local->mdev);
 
         /* TODO: start scan as soon as all nullfunc frames are ACKed */