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Commit 5f546070 authored by Stanislaw Gruszka's avatar Stanislaw Gruszka Committed by John W. Linville
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mac80211: protect ->scanning by mutex in ieee80211_work_work() 



Signed-off-by: default avatarStanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 133d40f9

net/mac80211/work.c

+5 −3
Original line number Diff line number Diff line
@@ -122,9 +122,6 @@ static void ieee80211_work_work(struct work_struct *work) 
	enum work_action rma;

	bool remain_off_channel = false;



	if (local->scanning)

		return;



	/*

	 * ieee80211_queue_work() should have picked up most cases,

	 * here we'll pick the rest.
@@ -134,6 +131,11 @@ static void ieee80211_work_work(struct work_struct *work) 


	mutex_lock(&local->mtx);



	if (local->scanning) {

		mutex_unlock(&local->mtx);

		return;

	}



	ieee80211_recalc_idle(local);



	list_for_each_entry_safe(wk, tmp, &local->work_list, list) {