cfg80211: fix P2P-Device stop locking
cfg80211_stop_p2p_device() requires the devlist_mtx to
be held, but nl80211_stop_p2p_device() doesn't acquire
it which is a locking error and causes a warning (when
lockdep is enabled). Fix this.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 212d2aa..3abcbba 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -8159,9 +8159,11 @@
if (!rdev->ops->stop_p2p_device)
return -EOPNOTSUPP;
+ mutex_lock(&rdev->devlist_mtx);
mutex_lock(&rdev->sched_scan_mtx);
cfg80211_stop_p2p_device(rdev, wdev);
mutex_unlock(&rdev->sched_scan_mtx);
+ mutex_unlock(&rdev->devlist_mtx);
return 0;
}