Bluetooth: MGMT: Fix failing to MGMT_OP_ADD_UUID/MGMT_OP_REMOVE_UUID

These commands don't require the adapter to be up and running so don't
use hci_cmd_sync_queue which would check that flag, instead use
hci_cmd_sync_submit which would ensure mgmt_class_complete is set
properly regardless if any command was actually run or not.

Link: https://github.com/bluez/bluez/issues/809
Fixes: d883a4669a1d ("Bluetooth: hci_sync: Only allow hci_cmd_sync_queue if running")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 32ed6e9245a307483e69ccb1cb1dd8c30c023130..657abd9bcc8792f328da5bf8d1d3e268bef53d86 100644 (file)
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -2623,7 +2623,11 @@ static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
                goto failed;
        }
 
-       err = hci_cmd_sync_queue(hdev, add_uuid_sync, cmd, mgmt_class_complete);
+       /* MGMT_OP_ADD_UUID don't require adapter the UP/Running so use
+        * hci_cmd_sync_submit instead of hci_cmd_sync_queue.
+        */
+       err = hci_cmd_sync_submit(hdev, add_uuid_sync, cmd,
+                                 mgmt_class_complete);
        if (err < 0) {
                mgmt_pending_free(cmd);
                goto failed;
@@ -2717,8 +2721,11 @@ static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
                goto unlock;
        }
 
-       err = hci_cmd_sync_queue(hdev, remove_uuid_sync, cmd,
-                                mgmt_class_complete);
+       /* MGMT_OP_REMOVE_UUID don't require adapter the UP/Running so use
+        * hci_cmd_sync_submit instead of hci_cmd_sync_queue.
+        */
+       err = hci_cmd_sync_submit(hdev, remove_uuid_sync, cmd,
+                                 mgmt_class_complete);
        if (err < 0)
                mgmt_pending_free(cmd);
 
@@ -2784,8 +2791,11 @@ static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
                goto unlock;
        }
 
-       err = hci_cmd_sync_queue(hdev, set_class_sync, cmd,
-                                mgmt_class_complete);
+       /* MGMT_OP_SET_DEV_CLASS don't require adapter the UP/Running so use
+        * hci_cmd_sync_submit instead of hci_cmd_sync_queue.
+        */
+       err = hci_cmd_sync_submit(hdev, set_class_sync, cmd,
+                                 mgmt_class_complete);
        if (err < 0)
                mgmt_pending_free(cmd);