mac80211: always unblock CSA queue stop when disconnecting

Commit 5b36ebd8249f403c7edf7cf68d68e9a0d0f55243 upstream.

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.

Reported-by: Jan-Michael Brummer <jan.brummer@tabos.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 5107248..f75ba1a 100644 (file)
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1812,6 +1812,8 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata,
                               WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
                               transmit_frame, 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);
 
        /*
@@ -1856,8 +1858,6 @@ 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, true);
 }