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Date: Fri, 18 Aug 2006 10:45:47 -0700
From: Stephen Hemminger <shemminger@osdl.org>
To: Thomas Klein <osstklei@de.ibm.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>,
       Jan-Bernd Themann <ossthema@de.ibm.com>, netdev@vger.kernel.org,
       Christoph Raisch <raisch@de.ibm.com>,
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       linux-kernel <linux-kernel@vger.kernel.org>,
       linux-ppc <linuxppc-dev@ozlabs.org>, Marcus Eder <meder@de.ibm.com>,
       Thomas Klein <tklein@de.ibm.com>
Subject: Re: [2.6.19 PATCH 4/7] ehea: ethtool interface
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On Fri, 18 Aug 2006 17:41:26 +0200
Thomas Klein <osstklei@de.ibm.com> wrote:

> Hi Alexey,
> 
> first of all thanks a lot for the extensive review.
> 
> 
> Alexey Dobriyan wrote:
> >> +	u64 hret = H_HARDWARE;
> > 
> > Useless assignment here and everywhere.
> > 
> 
> Initializing returncodes to errorstate is a cheap way to prevent
> accidentally returning (uninitalized) success returncodes which
> can lead to catastrophic misbehaviour.

That is old thinking. Current compilers do live/dead analysis
and tell you about this at compile time which is better than relying
on default behavior at runtime.
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