diff --git a/net/wireless/core.c b/net/wireless/core.c
index 8331064de9dd..74ca18833df1 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -1236,6 +1236,7 @@ static void _cfg80211_unregister_wdev(struct wireless_dev *wdev,
 	/* deleted from the list, so can't be found from nl80211 any more */
 	cqm_config = rcu_access_pointer(wdev->cqm_config);
 	kfree_rcu(cqm_config, rcu_head);
+	RCU_INIT_POINTER(wdev->cqm_config, NULL);
 
 	/*
 	 * Ensure that all events have been processed and