1 files changed, 10 insertions, 0 deletions

diff --git a/net/ieee80211/softmac/ieee80211softmac_scan.c b/net/ieee80211/softmac/ieee80211softmac_scan.c
index bb9ab8b45d09..d31cf77498c4 100644
--- a/net/ieee80211/softmac/ieee80211softmac_scan.c
+++ b/net/ieee80211/softmac/ieee80211softmac_scan.c
@@ -47,6 +47,7 @@ ieee80211softmac_start_scan(struct ieee80211softmac_device *sm)
         sm->scanning = 1;
         spin_unlock_irqrestore(&sm->lock, flags);
 
+        netif_tx_disable(sm->ieee->dev);
         ret = sm->start_scan(sm->dev);
         if (ret) {
                 spin_lock_irqsave(&sm->lock, flags);
@@ -114,7 +115,15 @@ void ieee80211softmac_scan(void *d)
                         // TODO: is this if correct, or should we do this only if scanning from assoc request?
                         if (sm->associnfo.req_essid.len)
                                 ieee80211softmac_send_mgt_frame(sm, &sm->associnfo.req_essid, IEEE80211_STYPE_PROBE_REQ, 0);
+
+                        spin_lock_irqsave(&sm->lock, flags);
+                        if (unlikely(!sm->running)) {
+                                /* Prevent reschedule on workqueue flush */
+                                spin_unlock_irqrestore(&sm->lock, flags);
+                                break;
+                        }
                         schedule_delayed_work(&si->softmac_scan, IEEE80211SOFTMAC_PROBE_DELAY);
+                        spin_unlock_irqrestore(&sm->lock, flags);
                         return;
                 } else {
                         dprintk(PFX "Not probing Channel %d (not allowed here)\n", si->channels[current_channel_idx].channel);
@@ -239,6 +248,7 @@ void ieee80211softmac_scan_finished(struct ieee80211softmac_device *sm)
                 if (net)
                         sm->set_channel(sm->dev, net->channel);
         }
+        netif_wake_queue(sm->ieee->dev);
         ieee80211softmac_call_events(sm, IEEE80211SOFTMAC_EVENT_SCAN_FINISHED, NULL);
 }
 EXPORT_SYMBOL_GPL(ieee80211softmac_scan_finished);