linux-kernel - Re: [PATCH] x86: wmi: Remove private %pUL implementation

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Date:	Fri, 6 Mar 2015 09:52:32 -0800
From:	Darren Hart <dvhart@...radead.org>
To:	Rasmus Villemoes <linux@...musvillemoes.dk>
Cc:	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: wmi: Remove private %pUL implementation

On Tue, Feb 24, 2015 at 03:15:30PM +0100, Rasmus Villemoes wrote:
> The work performed by wmi_gtoa is equivalent to simply sprintf(out,
> "%pUL", in), so one could replace its body by this. However, most
> users feed the result directly as a %s argument to some other function
> which also understands the %p extensions (they all ultimately use
> vsnprintf), so we can eliminate some stack buffers and quite a bit of
> code by just using %pUL directly.
> 
> In wmi_dev_uevent I'm not sure whether there's room for a
> nul-terminator in env->buf, so I've just replaced wmi_gtoa with the
> equivalent sprintf call.
> 
> Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>

Nice cleanup, thanks Rasmus. Queued for 4.1.

-- 
Darren Hart
Intel Open Source Technology Center
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