mac80211: always unblock CSA queue stop when disconnecting

In some cases when disconnecting after (or during?) CSA
the queues might not recover, and then the only way to
recover is reloading the module.

Fix this by always unblocking the queue CSA reason when
disconnecting.

Cc: stable@vger.kernel.org
Reported-by: Jan-Michael Brummer <jan.brummer@tabos.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index a7fb276..99be3b6 100644 (file)
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1819,6 +1819,8 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
                               WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
                               true, frame_buf);
        ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED;
+       ieee80211_wake_queues_by_reason(&sdata->local->hw,
+                                       IEEE80211_QUEUE_STOP_REASON_CSA);
        mutex_unlock(&ifmgd->mtx);
 
        /*
@@ -1859,8 +1861,6 @@ static void ieee80211_csa_connection_drop_work(struct work_struct *work)
                container_of(work, struct ieee80211_sub_if_data,
                             u.mgd.csa_connection_drop_work);
 
-       ieee80211_wake_queues_by_reason(&sdata->local->hw,
-                                       IEEE80211_QUEUE_STOP_REASON_CSA);
        __ieee80211_disconnect(sdata);
 }