diff options
Diffstat (limited to 'net/mac80211/scan.c')
| -rw-r--r-- | net/mac80211/scan.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index ae842678b62..05f0d711b6d 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -416,7 +416,7 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local, ieee80211_offchannel_stop_vifs(local); /* ensure nullfunc is transmitted before leaving operating channel */ - ieee80211_flush_queues(local, NULL); + ieee80211_flush_queues(local, NULL, false); ieee80211_configure_filter(local); @@ -432,7 +432,7 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local, static bool ieee80211_can_scan(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata) { - if (local->radar_detect_enabled) + if (ieee80211_is_radar_required(local)) return false; if (!list_empty(&local->roc_list)) @@ -505,7 +505,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata, lockdep_assert_held(&local->mtx); - if (local->scan_req) + if (local->scan_req || ieee80211_is_radar_required(local)) return -EBUSY; if (!ieee80211_can_scan(local, sdata)) { @@ -805,7 +805,7 @@ static void ieee80211_scan_state_resume(struct ieee80211_local *local, ieee80211_offchannel_stop_vifs(local); if (local->ops->flush) { - ieee80211_flush_queues(local, NULL); + ieee80211_flush_queues(local, NULL, false); *next_delay = 0; } else *next_delay = HZ / 10; @@ -828,6 +828,11 @@ void ieee80211_scan_work(struct work_struct *work) mutex_lock(&local->mtx); + if (!ieee80211_can_run_worker(local)) { + aborted = true; + goto out_complete; + } + sdata = rcu_dereference_protected(local->scan_sdata, lockdep_is_held(&local->mtx)); scan_req = rcu_dereference_protected(local->scan_req, |