This is a note to let you know that I've just added the patch titled
usb: gadget: core: remove unbalanced mutex_unlock in usb_gadget_activate
to the 6.4-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:
usb-gadget-core-remove-unbalanced-mutex_unlock-in-usb_gadget_activate.patch
and it can be found in the queue-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 6237390644fb92b81f5262877fe545d0d2c7b5d7 Mon Sep 17 00:00:00 2001
From: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
Date: Sat, 22 Jul 2023 00:22:56 +0200
Subject: usb: gadget: core: remove unbalanced mutex_unlock in usb_gadget_activate
From: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
commit 6237390644fb92b81f5262877fe545d0d2c7b5d7 upstream.
Commit 286d9975a838 ("usb: gadget: udc: core: Prevent soft_connect_store() race")
introduced one extra mutex_unlock of connect_lock in the usb_gadget_active function.
Fixes: 286d9975a838 ("usb: gadget: udc: core: Prevent soft_connect_store() race")
Cc: stable <stable@xxxxxxxxxx>
Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
Reviewed-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230721222256.1743645-1-m.grzeschik@xxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/gadget/udc/core.c | 1 -
1 file changed, 1 deletion(-)
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -878,7 +878,6 @@ int usb_gadget_activate(struct usb_gadge
*/
if (gadget->connected)
ret = usb_gadget_connect_locked(gadget);
- mutex_unlock(&gadget->udc->connect_lock);
unlock:
mutex_unlock(&gadget->udc->connect_lock);
Patches currently in stable-queue which might be from m.grzeschik@xxxxxxxxxxxxxx are
queue-6.4/usb-gadget-core-remove-unbalanced-mutex_unlock-in-usb_gadget_activate.patch
