Re: [PATCH v3] usb: dwc2: Add missing cleanups when usb_add_gadget_udc() fails

[Greg KH]

On Mon, Jul 27, 2020 at 07:38:01PM +0200, Martin Blumenstingl wrote:
> Call dwc2_debugfs_exit() and dwc2_hcd_remove() (if the HCD was enabled
> earlier) when usb_add_gadget_udc() has failed. This ensures that the
> debugfs entries created by dwc2_debugfs_init() as well as the HCD are
> cleaned up in the error path.
> 
> Fixes: 207324a321a866 ("usb: dwc2: Postponed gadget registration to the udc class driver")
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>
> ---
> Changes since v2 at [1]:
> - add #if around the new label and it's code to prevent the following
>   warning found by the Kernel test robot:
>     unused label 'error_debugfs' [-Wunused-label]
> 
> Changes since v1 at [0]
> - also cleanup the HCD as suggested by Minas (thank you!)
> - updated the subject accordingly
> 
> 
> [0] https://patchwork.kernel.org/patch/11631381/
> [1] https://patchwork.kernel.org/patch/11642957/


<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>