leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

mac80211: fix sched_scan restart on recovery

Browse Source 
In case we were not suspended, the reconfig function returns without
configuring the scheduled scan.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Arik Nemtsov 2014-02-11 12:27:19 +02:00 committed by Johannes Berg
parent fab57a6cc2
commit 32769814d5
1 changed files with 20 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
net/mac80211/util.c
View File

@ -1740,6 +1740,26 @@ int ieee80211_reconfig(struct ieee80211_local *local)
ieee80211_wake_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
/*
* Reconfigure sched scan if it was interrupted by FW restart or
* suspend.
*/
mutex_lock(&local->mtx);
sched_scan_sdata = rcu_dereference_protected(local->sched_scan_sdata,
lockdep_is_held(&local->mtx));
if (sched_scan_sdata && local->sched_scan_req)
/*
* Sched scan stopped, but we don't want to report it. Instead,
* we're trying to reschedule.
*/
if (__ieee80211_request_sched_scan_start(sched_scan_sdata,
local->sched_scan_req))
sched_scan_stopped = true;
mutex_unlock(&local->mtx);
if (sched_scan_stopped)
cfg80211_sched_scan_stopped(local->hw.wiphy);
/*
* If this is for hw restart things are still running.
* We may want to change that later, however.
@ -1768,26 +1788,6 @@ int ieee80211_reconfig(struct ieee80211_local *local)
WARN_ON(1);
#endif
/*
* Reconfigure sched scan if it was interrupted by FW restart or
* suspend.
*/
mutex_lock(&local->mtx);
sched_scan_sdata = rcu_dereference_protected(local->sched_scan_sdata,
lockdep_is_held(&local->mtx));
if (sched_scan_sdata && local->sched_scan_req)
/*
* Sched scan stopped, but we don't want to report it. Instead,
* we're trying to reschedule.
*/
if (__ieee80211_request_sched_scan_start(sched_scan_sdata,
local->sched_scan_req))
sched_scan_stopped = true;
mutex_unlock(&local->mtx);
if (sched_scan_stopped)
cfg80211_sched_scan_stopped(local->hw.wiphy);
return 0;
}