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mac80211: allow driver to return error from sched_scan_stop

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In order to solve races with sched_scan_stop, it is necessary
for the driver to be able to return an error to propagate that
to cfg80211 so it doesn't send an event.

Reviewed-by: Alexander Bondar <alexander.bondar@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2014-02-17 10:48:17 +01:00
parent d9b8396a52
commit 37e3308cb2
5 changed files with 19 additions and 10 deletions
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2
net/mac80211/scan.c
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@ -1056,7 +1056,7 @@ int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata)
local->sched_scan_req = NULL;
if (rcu_access_pointer(local->sched_scan_sdata))
drv_sched_scan_stop(local, sdata);
ret = drv_sched_scan_stop(local, sdata);
out:
mutex_unlock(&local->mtx);