2 files changed, 26 insertions, 3 deletions

diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index 0dc114c4ef2b..505af1f067ab 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -267,6 +267,17 @@ static int ieee80211_open(struct net_device *dev)
                 tasklet_enable(&local->tasklet);
         }
 
+        /*
+         * set_multicast_list will be invoked by the networking core
+         * which will check whether any increments here were done in
+         * error and sync them down to the hardware as filter flags.
+         */
+        if (sdata->flags & IEEE80211_SDATA_ALLMULTI)
+                atomic_inc(&local->iff_allmultis);
+
+        if (sdata->flags & IEEE80211_SDATA_PROMISC)
+                atomic_inc(&local->iff_promiscs);
+
         local->open_count++;
 
         netif_start_queue(dev);
@@ -284,6 +295,18 @@ static int ieee80211_stop(struct net_device *dev)
 
         netif_stop_queue(dev);
 
+        /*
+         * Don't count this interface for promisc/allmulti while it
+         * is down. dev_mc_unsync() will invoke set_multicast_list
+         * on the master interface which will sync these down to the
+         * hardware as filter flags.
+         */
+        if (sdata->flags & IEEE80211_SDATA_ALLMULTI)
+                atomic_dec(&local->iff_allmultis);
+
+        if (sdata->flags & IEEE80211_SDATA_PROMISC)
+                atomic_dec(&local->iff_promiscs);
+
         dev_mc_unsync(local->mdev, dev);
 
         /* down all dependent devices, that is VLANs */
@@ -370,8 +393,8 @@ static void ieee80211_set_multicast_list(struct net_device *dev)
 
         allmulti = !!(dev->flags & IFF_ALLMULTI);
         promisc = !!(dev->flags & IFF_PROMISC);
-        sdata_allmulti = sdata->flags & IEEE80211_SDATA_ALLMULTI;
-        sdata_promisc = sdata->flags & IEEE80211_SDATA_PROMISC;
+        sdata_allmulti = !!(sdata->flags & IEEE80211_SDATA_ALLMULTI);
+        sdata_promisc = !!(sdata->flags & IEEE80211_SDATA_PROMISC);
 
         if (allmulti != sdata_allmulti) {
                 if (dev->flags & IFF_ALLMULTI)
diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c
index 015b3f879aa9..16afd24d4f6b 100644
--- a/net/mac80211/ieee80211_sta.c
+++ b/net/mac80211/ieee80211_sta.c
@@ -2647,7 +2647,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw)
         local->sta_scanning = 0;
 
         if (ieee80211_hw_config(local))
-                printk(KERN_DEBUG "%s: failed to restore operational"
+                printk(KERN_DEBUG "%s: failed to restore operational "
                        "channel after scan\n", dev->name);