linux-kernel - Re: [PATCH] mmc: vub300: Use common code in __download_offload

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Date:   Mon, 30 Oct 2017 14:03:13 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     SF Markus Elfring <elfring@...rs.sourceforge.net>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        Linux USB List <linux-usb@...r.kernel.org>,
        Tony Olech <tony.olech@...ndigitalsystems.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] mmc: vub300: Use common code in __download_offload_pseudocode()

On 30 October 2017 at 13:15, Dan Carpenter <dan.carpenter@...cle.com> wrote:
> On Mon, Oct 30, 2017 at 12:40:39PM +0100, Ulf Hansson wrote:
>> On 27 October 2017 at 21:31, SF Markus Elfring
>> <elfring@...rs.sourceforge.net> wrote:
>> > From: Markus Elfring <elfring@...rs.sourceforge.net>
>> > Date: Fri, 27 Oct 2017 21:21:40 +0200
>> >
>> > Add a jump target so that a specific string copy operation is stored
>> > only once at the end of this function implementation.
>> > Replace two calls of the function "strncpy" by goto statements.
>> >
>> > This issue was detected by using the Coccinelle software.
>> >
>> > Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
>>
>> Thanks, applied for next!
>>
>
> What's the advantage of this patch?  The new code seems more complicated
> to me and GCC automatically reuses duplicate constant strings so there
> is no memory savings.

It looked to me that the error path got a bit cleaner. However, I
guess it's matter of taste.

If you insist, I can drop it.

Kind regards
Uffe