linux-kernel - Re: [PATCH v3] gpio: mockup: no need to check return value of debugfs

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Message-ID: <CACRpkdZXtFUimMATgKA6Qdo4-mTLW5xV3XvdcBShpO9c32_gbQ@mail.gmail.com>
Date:   Wed, 26 Jun 2019 13:54:19 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Bamvor Jian Zhang <bamv2005@...il.com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH v3] gpio: mockup: no need to check return value of
 debugfs_create functions

On Wed, Jun 26, 2019 at 10:46 AM Bartosz Golaszewski <brgl@...ev.pl> wrote:

> From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
>
> When calling debugfs functions, there is no need to ever check the
> return value.  The function can work or not, but the code logic should
> never do something different based on this.
>
> Cc: Bamvor Jian Zhang <bamv2005@...il.com>
> Cc: Linus Walleij <linus.walleij@...aro.org>
> Cc: Bartosz Golaszewski <bgolaszewski@...libre.com>
> Cc: linux-gpio@...r.kernel.org
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> [Bartosz: removed one more check for debugfs return value]
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
> ---
> v1 -> v2:
> - fix build warning found by kbuild
> - fix build error found by kbuild
>
> v2 -> v3:
> - remove one more unnecessary ifdef

Looks good
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Will you send me this in a pull request with the rest of
the stuff you have queued?

Yours,
Linus Walleij