Merge ../linux-2.6

1 files changed, 10 insertions, 0 deletions

diff --git a/net/ieee80211/softmac/ieee80211softmac_scan.c b/net/ieee80211/softmac/ieee80211softmac_scan.c
index bb9ab8b45d0..d31cf77498c 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);