Bluetooth: fix crash with quirky dongles doing sound

[~andy/linux] / drivers / bluetooth / btusb.c

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 1da773f899a2708f1c151b892098ed3ddbaf79cf..664f1cc9f8d4f7aec94ea401785cf856c62576b2 100644 (file)
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -102,6 +102,9 @@ static struct usb_device_id blacklist_table[] = {
        /* Atheros 3011 with sflash firmware */
        { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
 
+       /* Atheros AR9285 Malbec with sflash firmware */
+       { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
+
        /* Broadcom BCM2035 */
        { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
        { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
@@ -826,7 +829,7 @@ static void btusb_work(struct work_struct *work)
 
        if (hdev->conn_hash.sco_num > 0) {
                if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
-                       err = usb_autopm_get_interface(data->isoc);
+                       err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
                        if (err < 0) {
                                clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
                                usb_kill_anchored_urbs(&data->isoc_anchor);
@@ -855,7 +858,7 @@ static void btusb_work(struct work_struct *work)
 
                __set_isoc_interface(hdev, 0);
                if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
-                       usb_autopm_put_interface(data->isoc);
+                       usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
        }
 }