linux-kernel - Re: [PATCH v2 01/10] gpiolib: provide gpiochip_dup_line

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Message-ID: <ZWi34tkzNsvkCQqi@smile.fi.intel.com>
Date:   Thu, 30 Nov 2023 18:27:14 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v2 01/10] gpiolib: provide gpiochip_dup_line_label()

On Thu, Nov 30, 2023 at 02:46:21PM +0100, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> 
> gpiochip_is_requested() not only has a misleading name but it returns
> a pointer to a string that is freed when the descriptor is released.
> 
> Provide a new helper meant to replace it, which returns a copy of the
> label string instead.

...

> + * Must not be called from atomic context.

Put the respective lockdep annotation.

...

> +	char *cpy;

So, why not naming it fully, i.e. "copy"?

-- 
With Best Regards,
Andy Shevchenko