Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
IronPort-SDR: 3lIDUOhAjlIu+l2RhGFhiAjpjkuE4ObmUz4Fpuo4bAhM6jEBygZ6dfRCDtqyFx9ZrOjfP97noh
 d9hZztxaivmg==
IronPort-SDR: qTYwAZ6BG2b7vt/5azhvXjAYOh+vwOxZJ/y7lNX2/1lNLSD/jPTfPWnHI3p3LxEf/sXkDNuEjp
 tcfKINEi/0Uw==
Date:   Mon, 26 Oct 2020 15:14:27 +0200
From:   Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To:     Bartosz Golaszewski <brgl@bgdev.pl>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Rafael J . Wysocki" <rafael@kernel.org>,
        linux-kernel@vger.kernel.org,
        Bartosz Golaszewski <bgolaszewski@baylibre.com>
Subject: Re: [PATCH] devres: zero the memory in devm_krealloc() if needed
Message-ID: <20201026131427.GF4077@smile.fi.intel.com>
References: <20201026122728.8522-1-brgl@bgdev.pl>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20201026122728.8522-1-brgl@bgdev.pl>
Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo
Precedence: bulk

On Mon, Oct 26, 2020 at 01:27:28PM +0100, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> 
> If we're returning the same pointer (when new size is smaller or equal
> to the old size) we need to check if the user wants the memory zeroed
> and memset() it manually if so.

Any use case? Because to me it sounds contradictory to the whole idea of [k]realloc().

-- 
With Best Regards,
Andy Shevchenko