Patch "Bluetooth: MGMT: Fix failing to MGMT_OP_ADD_UUID/MGMT_OP_REMOVE_UUID" has been added to the 6.6-stable tree

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This is a note to let you know that I've just added the patch titled

    Bluetooth: MGMT: Fix failing to MGMT_OP_ADD_UUID/MGMT_OP_REMOVE_UUID

to the 6.6-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:
     bluetooth-mgmt-fix-failing-to-mgmt_op_add_uuid-mgmt_.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 333613dd72c5d9710fa5792beb6b6b323a52f451
Author: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
Date:   Tue Apr 16 15:34:45 2024 -0400

    Bluetooth: MGMT: Fix failing to MGMT_OP_ADD_UUID/MGMT_OP_REMOVE_UUID
    
    [ Upstream commit 6eb5fcc416f127f220b9177a5c9ae751cac1cda8 ]
    
    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@xxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 92fd3786bbdff..6d41bc0e7896a 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -2616,7 +2616,11 @@ 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;
@@ -2710,8 +2714,11 @@ 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);
 
@@ -2777,8 +2784,11 @@ 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);
 




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