mac80211: allow driver to return error from sched_scan_stop

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>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index b211e412511f..836f500dfbf3 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -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);