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[PATCH] mac80211: fix suspend vs. association race

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If the association is in progress while we suspend, the
stack will be in a messed up state. Clean it before we
suspend.

This patch completes Johannes's patch:

1a1cb744de160ee70086a77afff605bbc275d291
Author: Johannes Berg <johannes.berg@xxxxxxxxx>

    mac80211: fix suspend vs. authentication race

Cc: <stable@xxxxxxxxxxxxxxx>
Fixes: 12e7f517029d ("mac80211: cleanup generic suspend/resume procedures")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
 net/mac80211/mlme.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 139005d..5e4f7ea 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3600,7 +3600,7 @@ void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata)
 
 	sdata_lock(sdata);
 
-	if (ifmgd->auth_data) {
+	if (ifmgd->auth_data || ifmgd->assoc_data) {
 		/*
 		 * If we are trying to authenticate while suspending, cfg80211
 		 * won't know and won't actually abort those attempts, thus we
@@ -3611,7 +3611,10 @@ void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata)
 					       IEEE80211_STYPE_DEAUTH,
 					       WLAN_REASON_DEAUTH_LEAVING,
 					       false, frame_buf);
-		ieee80211_destroy_auth_data(sdata, false);
+		if (ifmgd->assoc_data)
+			ieee80211_destroy_assoc_data(sdata, false);
+		if (ifmgd->auth_data)
+			ieee80211_destroy_auth_data(sdata, false);
 		cfg80211_tx_mlme_mgmt(sdata->dev, frame_buf,
 				      IEEE80211_DEAUTH_FRAME_LEN);
 	}
-- 
1.8.3.2

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