mac80211: fix suspend
[linux-2.6.git] / net / mac80211 / rx.c
index de5bba7..0936fc2 100644 (file)
@@ -2453,6 +2453,18 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
                return;
        }
 
+       /*
+        * If we're suspending, it is possible although not too likely
+        * that we'd be receiving frames after having already partially
+        * quiesced the stack. We can't process such frames then since
+        * that might, for example, cause stations to be added or other
+        * driver callbacks be invoked.
+        */
+       if (unlikely(local->quiescing || local->suspended)) {
+               kfree_skb(skb);
+               return;
+       }
+
        if (status->flag & RX_FLAG_HT) {
                /* rate_idx is MCS index */
                if (WARN_ON(status->rate_idx < 0 ||