diff options
Diffstat (limited to 'net/ieee80211/softmac/ieee80211softmac_scan.c')
| -rw-r--r-- | net/ieee80211/softmac/ieee80211softmac_scan.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/ieee80211/softmac/ieee80211softmac_scan.c b/net/ieee80211/softmac/ieee80211softmac_scan.c index 2b9e7edfa3ce..d31cf77498c4 100644 --- a/net/ieee80211/softmac/ieee80211softmac_scan.c +++ b/net/ieee80211/softmac/ieee80211softmac_scan.c @@ -115,7 +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); |