Re: [PATCH 5.10.y] USB: gadget: core: adjust uevent timing on gadget unbind

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Fri, Dec 15, 2023 at 02:15:07AM +0000, Roy Luo wrote:
> The KOBJ_CHANGE uevent is sent before gadget unbind is actually
> executed, resulting in inaccurate uevent emitted at incorrect timing
> (the uevent would have USB_UDC_DRIVER variable set while it would
> soon be removed).
> Move the KOBJ_CHANGE uevent to the end of the unbind function so that
> uevent is sent only after the change has been made.
> 
> Fixes: 2ccea03a8f7e ("usb: gadget: introduce UDC Class")
> Cc: stable@vger.kernel.org
> Signed-off-by: Roy Luo <royluo@google.com>
> Link: https://lore.kernel.org/r/20231128221756.2591158-1-royluo@google.com
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> (cherry picked from commit 73ea73affe8622bdf292de898da869d441da6a9d)
> ---
>  drivers/usb/gadget/udc/core.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Why just a 5.10.y backport?  What about 5.15.y as well?  You can't
upgrade kernels and have a regression :(

thanks,

greg k-h