This is a note to let you know that I've just added the patch titled
mac80211: release the channel in error path in start_ap
to the 3.12-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-release-the-channel-in-error-path-in-start_ap.patch
and it can be found in the queue-3.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 0297ea17bf7879fb5846fafd1be4c0471e72848d Mon Sep 17 00:00:00 2001
From: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Date: Mon, 27 Jan 2014 11:07:42 +0200
Subject: mac80211: release the channel in error path in start_ap
From: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
commit 0297ea17bf7879fb5846fafd1be4c0471e72848d upstream.
When the driver cannot start the AP or when the assignement
of the beacon goes wrong, we need to unassign the vif.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/mac80211/cfg.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -995,8 +995,10 @@ static int ieee80211_start_ap(struct wip
IEEE80211_P2P_OPPPS_ENABLE_BIT;
err = ieee80211_assign_beacon(sdata, ¶ms->beacon);
- if (err < 0)
+ if (err < 0) {
+ ieee80211_vif_release_channel(sdata);
return err;
+ }
changed |= err;
err = drv_start_ap(sdata->local, sdata);
@@ -1005,6 +1007,7 @@ static int ieee80211_start_ap(struct wip
if (old)
kfree_rcu(old, rcu_head);
RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
+ ieee80211_vif_release_channel(sdata);
return err;
}
Patches currently in stable-queue which might be from emmanuel.grumbach@xxxxxxxxx are
queue-3.12/mac80211-release-the-channel-in-error-path-in-start_ap.patch
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