1 files changed, 7 insertions, 5 deletions

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index ecf7d15eaa5e..604b4aae3364 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -747,7 +747,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
         unsigned long flags;
         struct sk_buff *skb, *tmp;
         u32 hw_reconf_flags = 0;
-        int i;
+        int i, flushed;
 
         clear_bit(SDATA_STATE_RUNNING, &sdata->state);
 
@@ -772,11 +772,13 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
          * (because if we remove a STA after ops->remove_interface()
          * the driver will have removed the vif info already!)
          *
-         * This is relevant only in AP, WDS and mesh modes, since in
-         * all other modes we've already removed all stations when
-         * disconnecting etc.
+         * This is relevant only in WDS mode, in all other modes we've
+         * already removed all stations when disconnecting or similar,
+         * so warn otherwise.
          */
-        sta_info_flush(sdata);
+        flushed = sta_info_flush(sdata);
+        WARN_ON_ONCE((sdata->vif.type != NL80211_IFTYPE_WDS && flushed > 0) ||
+                     (sdata->vif.type == NL80211_IFTYPE_WDS && flushed != 1));
 
         /*
          * Don't count this interface for promisc/allmulti while it