[PATCH 4.14 094/496] cfg80211: clear wep keys after disconnection

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4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Avraham Stern <avraham.stern@xxxxxxxxx>

[ Upstream commit 3027a8e799b20fc922496a12f8ad2f9f36a8a696 ]

When a low level driver calls cfg80211_disconnected(), wep keys are
not cleared. As a result, following connection requests will fail
since cfg80211 internal state shows a connection is still in progress.

Fix this by clearing the wep keys when disconnecting.

Signed-off-by: Avraham Stern <avraham.stern@xxxxxxxxx>
Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 net/wireless/sme.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -989,6 +989,8 @@ void __cfg80211_disconnected(struct net_
 	wdev->current_bss = NULL;
 	wdev->ssid_len = 0;
 	wdev->conn_owner_nlportid = 0;
+	kzfree(wdev->connect_keys);
+	wdev->connect_keys = NULL;
 
 	nl80211_send_disconnected(rdev, dev, reason, ie, ie_len, from_ap);
 





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