linux-kernel - Re: [PATCH for-5.8 v2] usb: dwc2: Add missing cleanups when usb_add_gadget

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Date:   Mon, 27 Jul 2020 19:35:44 +0200
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     Minas Harutyunyan <Minas.Harutyunyan@...opsys.com>
Cc:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "marex@...x.de" <marex@...x.de>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: [PATCH for-5.8 v2] usb: dwc2: Add missing cleanups when
 usb_add_gadget_udc() fails

Hello Minas,

On Sun, Jul 26, 2020 at 12:04 PM Minas Harutyunyan
<Minas.Harutyunyan@...opsys.com> wrote:
[...]
> Kernel test robot found issue:
>  >> warning: unused label 'error_debugfs' [-Wunused-label]
>     error_debugfs:
>     ^~~~~~~~~~~~~~
>     1 warning generated.
>
> So, 'error_debugfs:' label should be under #if/#endif:
>
> #if IS_ENABLED(CONFIG_USB_DWC2_PERIPHERAL) || \
>          IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE)
> error_debugfs:
> #endif /* CONFIG_USB_DWC2_PERIPHERAL || CONFIG_USB_DWC2_DUAL_ROLE */
>
> Or you have other suggestion?
unfortunately I have no better idea

> Could you please fix this issue and submit new version of patch.
I'm going to cover everything I add inside the same #if (not just the
error label).
if any additional label is added (above) in the future then the code
that I'm adding must not be executed when that #if evaluates to false

v3 is coming in the next few minutes.


Best regards,
Martin