diff options
Diffstat (limited to 'net/ieee80211/softmac/ieee80211softmac_scan.c')
| -rw-r--r-- | net/ieee80211/softmac/ieee80211softmac_scan.c | 10 |
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); |