Re: Patch "USB: serial: bus: fix const issue in usb_serial_device_match()" has been added to the 6.15-stable tree

Re: Patch "USB: serial: bus: fix const issue in usb_serial_device_match()" has been added to the 6.15-stable tree

[Johan Hovold]

Hi Sasha,

On Tue, Jun 10, 2025 at 08:18:13AM -0400, Sasha Levin wrote:
> This is a note to let you know that I've just added the patch titled
> 
>     USB: serial: bus: fix const issue in usb_serial_device_match()
> 
> to the 6.15-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-serial-bus-fix-const-issue-in-usb_serial_device_.patch
> and it can be found in the queue-6.15 subdirectory.
> 
> If you, or anyone else, feels it should not be added to the stable tree,
> please let <stable@vger.kernel.org> know about it.
> 
> 
> 
> commit 0e91be50efc1a26ec9047dadc980631d31ef8578
> Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Date:   Wed May 21 15:41:34 2025 +0200
> 
>     USB: serial: bus: fix const issue in usb_serial_device_match()
>     
>     [ Upstream commit 92cd405b648605db4da866f3b9818b271ae84ef0 ]
>     
>     usb_serial_device_match() takes a const pointer, and then decides to
>     cast it away into a non-const one, which is not a good thing to do
>     overall.  Fix this up by properly setting the pointers to be const to
>     preserve that attribute.
>     
>     Fixes: d69d80484598 ("driver core: have match() callback in struct bus_type take a const *")
>     Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>     Signed-off-by: Johan Hovold <johan@kernel.org>
>     Signed-off-by: Sasha Levin <sashal@kernel.org>

This patch does not need to be backported and I left out the stable
patch on purpose as usual.

Please drop.

Johan