linux-kernel - Re: [PATCH] platform/x86: dell-smo8800: Possible unnecessary 'out of memory' message

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Message-ID: <CAHp75VctF44XLjphF9Q23vnDdkGP5Vm70=perP5nms_WGzZMcw@mail.gmail.com>
Date:   Thu, 14 Dec 2017 20:02:45 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Pali Rohár <pali.rohar@...il.com>
Cc:     Dhaval Shah <dhaval.shah@...tnautics.com>,
        "dvhart@...radead.org" <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] platform/x86: dell-smo8800: Possible unnecessary 'out of
 memory' message

On Wed, Dec 13, 2017 at 10:30 AM, Pali Rohár <pali.rohar@...il.com> wrote:
> On Wednesday 13 December 2017 13:53:54 Dhaval Shah wrote:
>> Removed Possible unnecessary 'out of memory' message checkpatch warnings.
>> Issue found by checkpatch.

>> -             dev_err(&device->dev, "failed to allocate device data\n");
>
> Hi! Any particular reason for removing error message?

If you look into drivers/base/dd.c (real_probe() function IIRC) it
issues a warning when probe fails with error code.
So, basically all error messages in ->probe() are redundant (except
maybe those that prints more than error message itself).

-- 
With Best Regards,
Andy Shevchenko