linux-kernel - Re: [PATCH v4 3/4] device property: constify property arrays values

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Date:   Thu, 02 Feb 2017 09:07:30 -0800
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>
CC:     Joe Perches <joe@...ches.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Wolfram Sang <wsa@...-dreams.de>
Subject: Re: [PATCH v4 3/4] device property: constify property arrays values

On February 2, 2017 8:48:30 AM PST, Andy Shevchenko <andriy.shevchenko@...ux.intel.com> wrote:
>On Thu, 2017-02-02 at 08:39 -0800, Dmitry Torokhov wrote:
>> From: Dmitry Torokhov <dmitry.torokhov@...il.com>
>> 
>> Data that is fed into property arrays should not be modified, so
>let's
>> mark
>> relevant pointers as const. This will allow us making source arrays
>as
>> const/__initconst.
>> 
>
>> Also fix memory leaks on errors in property_entry_copy().
>
>While the code looks okay, I'm not sure what memory leaks you are
>referring to. The idea as far as I remember was to run *free() function
>if *copy() fails.

That could have been OK for internal function, but will not work for public API, as it goes against normal pattern.

You will be old and grey and still correcting patches that would be getting it wrong :)


Thanks.

-- 
Dmitry