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[3.11.y.z,extended,stable] Patch "mac80211: fix software remain-on-channel implementation" has been added to staging queue

Message ID 1398161142-8611-1-git-send-email-luis.henriques@canonical.com
State New
Headers show

Commit Message

Luis Henriques April 22, 2014, 10:05 a.m. UTC
This is a note to let you know that I have just added a patch titled

    mac80211: fix software remain-on-channel implementation

to the linux-3.11.y-queue branch of the 3.11.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.11.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.11.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

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From 74ac58b5f5bc59feb664000cae739867c39adae2 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Thu, 27 Mar 2014 15:39:20 +0100
Subject: mac80211: fix software remain-on-channel implementation

commit 115b943a6ea12656088fa1ff6634c0d30815e55b upstream.

Jouni reported that when doing off-channel transmissions mixed
with on-channel transmissions, the on-channel ones ended up on
the off-channel in some cases.

The reason for that is that during the refactoring of the off-
channel code, I lost the part that stopped all activity and as
a consequence the on-channel frames (including data frames)
were no longer queued but would be transmitted on the temporary
channel.

Fix this by simply restoring the lost activity stop call.

Fixes: 2eb278e083549 ("mac80211: unify SW/offload remain-on-channel")
Reported-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
 net/mac80211/offchannel.c | 1 +
 1 file changed, 1 insertion(+)

--
1.9.1
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Patch

diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index acd1f71..11d3f22 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -355,6 +355,7 @@  void ieee80211_sw_roc_work(struct work_struct *work)
 		struct ieee80211_roc_work *dep;

 		/* start this ROC */
+		ieee80211_offchannel_stop_vifs(local);

 		/* switch channel etc */
 		ieee80211_recalc_idle(local);