This is a note to let you know that I've just added the patch titled
iwlwifi: dvm: take mutex when sending SYNC BT config command
to the 3.14-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:
iwlwifi-dvm-take-mutex-when-sending-sync-bt-config-command.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 82e5a649453a3cf23516277abb84273768a1592b Mon Sep 17 00:00:00 2001
From: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Date: Mon, 10 Mar 2014 15:22:03 +0200
Subject: iwlwifi: dvm: take mutex when sending SYNC BT config command
From: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
commit 82e5a649453a3cf23516277abb84273768a1592b upstream.
There is a flow in which we send the host command in SYNC
mode, but we don't take priv->mutex.
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1046495
Reviewed-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/iwlwifi/dvm/main.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
--- a/drivers/net/wireless/iwlwifi/dvm/main.c
+++ b/drivers/net/wireless/iwlwifi/dvm/main.c
@@ -252,13 +252,17 @@ static void iwl_bg_bt_runtime_config(str
struct iwl_priv *priv =
container_of(work, struct iwl_priv, bt_runtime_config);
+ mutex_lock(&priv->mutex);
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
- return;
+ goto out;
/* dont send host command if rf-kill is on */
if (!iwl_is_ready_rf(priv))
- return;
+ goto out;
+
iwlagn_send_advance_bt_config(priv);
+out:
+ mutex_unlock(&priv->mutex);
}
static void iwl_bg_bt_full_concurrency(struct work_struct *work)
Patches currently in stable-queue which might be from emmanuel.grumbach@xxxxxxxxx are
queue-3.14/iwlwifi-dvm-take-mutex-when-sending-sync-bt-config-command.patch
queue-3.14/iwlwifi-mvm-disable-uapsd-due-to-bugs-in-the-firmware.patch
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