linux-kernel - Re: [PATCH] eeepc-laptop: remove possible use of uninitialized value

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Date:	Mon, 8 Sep 2014 17:06:28 -0700
From:	Darren Hart <dvhart@...radead.org>
To:	Frans Klaver <fransklaver@...il.com>
Cc:	Corentin Chary <corentin.chary@...il.com>,
	Matthew Garrett <matthew.garrett@...ula.com>,
	acpi4asus-user@...ts.sourceforge.net,
	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] eeepc-laptop: remove possible use of uninitialized value

On Thu, Sep 04, 2014 at 12:53:25AM +0200, Frans Klaver wrote:
> In store_sys_acpi, if count equals zero, or parse_arg()s sscanf call
> fails, 'value' remains possibly uninitialized. In that case 'value'
> shouldn't be used to produce the store_sys_acpi()s return value.
> 
> Only test the return value of set_acpi() if we can actually call it.
> Return rv otherwise.
> 
> Signed-off-by: Frans Klaver <fransklaver@...il.com>


FYI, based on recent discussion with Paul, Greg, and Frans, I am not picking
this up, but waiting for a next rev from Frans, possibly including Paul's
original patch.

-- 
Darren Hart
Intel Open Source Technology Center
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