linux-kernel - Re: [PATCH v2 1/9] lib: string_helpers: provide kfree

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Date:   Mon, 28 Sep 2020 08:59:03 -0700
From:   Joe Perches <joe@...ches.com>
To:     Bartosz Golaszewski <brgl@...ev.pl>,
        Linus Walleij <linus.walleij@...aro.org>,
        Jonathan Corbet <corbet@....net>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Kent Gibson <warthog618@...il.com>
Cc:     linux-gpio@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH v2 1/9] lib: string_helpers: provide kfree_strarray()

On Mon, 2020-09-28 at 12:41 +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@...libre.com>
> 
> There's a common pattern of dynamically allocating an array of char
> pointers and then also dynamically allocating each string in this
> array. Provide a helper for freeing such a string array with one call.

Isn't this also common for things like ring buffers?
Why limit this to char *[]?