1 files changed, 4 insertions, 0 deletions

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 */