mac80211: reschedule sched scan after HW restart
Keep the sched scan req when starting sched scan, and reschedule
it in case of HW restart during sched scan.
The upper layer don't have to know about the restart.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index fa34cd2..2bd5b55 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -250,12 +250,8 @@
/* wait for scan work complete */
flush_workqueue(local->workqueue);
- mutex_lock(&local->mtx);
- WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) ||
- rcu_dereference_protected(local->sched_scan_sdata,
- lockdep_is_held(&local->mtx)),
- "%s called with hardware scan in progress\n", __func__);
- mutex_unlock(&local->mtx);
+ WARN(test_bit(SCAN_HW_SCANNING, &local->scanning),
+ "%s called with hardware scan in progress\n", __func__);
rtnl_lock();
ieee80211_scan_cancel(local);