linux-kernel - Re: [PATCH v2] lib/string_helpers: fix not adding strarray to device's resource list.

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Message-ID: <CAHp75Ve4ez0HKqXTqrtRYPv5T04CtDGafA3UoU1Wzt_DZOHbBA@mail.gmail.com>
Date:   Fri, 6 May 2022 10:12:36 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Puyou Lu <puyou.lu@...il.com>
Cc:     Andy Shevchenko <andy@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Kees Cook <keescook@...omium.org>,
        Petr Mladek <pmladek@...e.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Chris Down <chris@...isdown.name>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] lib/string_helpers: fix not adding strarray to
 device's resource list.

On Fri, May 6, 2022 at 9:36 AM Puyou Lu <puyou.lu@...il.com> wrote:
>
> Add allocated strarray to device's resource list. This is a must to
> automatically release strarray when the device disappears.

LGTM,
Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
Thanks!

> Fixes: acdb89b6c87a ("lib/string_helpers: Introduce managed variant of kasprintf_strarray()")
> Signed-off-by: Puyou Lu <puyou.lu@...il.com>
>
> ---
>
> Change since v1:
> also set 'n' of strarray https://lore.kernel.org/lkml/20220506022845.26750-1-puyou.lu@gmail.com/
>
> ---
>  lib/string_helpers.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/lib/string_helpers.c b/lib/string_helpers.c
> index 4f877e9551d5..5ed3beb066e6 100644
> --- a/lib/string_helpers.c
> +++ b/lib/string_helpers.c
> @@ -757,6 +757,9 @@ char **devm_kasprintf_strarray(struct device *dev, const char *prefix, size_t n)
>                 return ERR_PTR(-ENOMEM);
>         }
>
> +       ptr->n = n;
> +       devres_add(dev, ptr);
> +
>         return ptr->array;
>  }
>  EXPORT_SYMBOL_GPL(devm_kasprintf_strarray);
> --
> 2.17.1
>


-- 
With Best Regards,
Andy Shevchenko