This is a note to let you know that I've just added the patch titled
mac80211: always unblock CSA queue stop when disconnecting
to the 3.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mac80211-always-unblock-csa-queue-stop-when-disconnecting.patch
and it can be found in the queue-3.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From johannes@xxxxxxxxxxxxxxxx Tue Feb 26 15:00:24 2013
From: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Date: Tue, 26 Feb 2013 22:37:57 +0100
Subject: mac80211: always unblock CSA queue stop when disconnecting
To: gregkh@xxxxxxxxxxxxxxxxxxx
Cc: stable@xxxxxxxxxxxxxxx, jan.brummer@xxxxxxxxx, Johannes Berg <johannes.berg@xxxxxxxxx>
Message-ID: <1361914677-19032-1-git-send-email-johannes@xxxxxxxxxxxxxxxx>
From: Johannes Berg <johannes.berg@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/mac80211/mlme.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1812,6 +1812,8 @@ static void __ieee80211_disconnect(struc
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_dro
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);
}
Patches currently in stable-queue which might be from johannes@xxxxxxxxxxxxxxxx are
queue-3.8/mac80211-always-unblock-csa-queue-stop-when-disconnecting.patch
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