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>

parent a42c74ee

net/wireless/nl80211.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -8159,9 +8159,11 @@ static int nl80211_stop_p2p_device(struct sk_buff skb, struct genl_info info)
		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;
		}