blob: ee06d9f0989d63a7d017b0fafcdd45b38083ffb4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
Bugzilla: 1046495
Upstream-status: Sent for 3.14 http://marc.info/?l=linux-wireless&m=139453882510796&w=2
From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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
Cc: <stable@vger.kernel.org>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
drivers/net/wireless/iwlwifi/dvm/main.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c
index ba1b1ea..ea7e70c 100644
--- 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(struct work_struct *work)
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)
--
1.8.3.2
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
|
