From mboxrd@z Thu Jan  1 00:00:00 1970
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Tue, 1 Sep 2009 23:58:14 +0400
Subject: [U-Boot] [PATCH 1/2] Move uninitialized_var() macro from
 ubi_uboot.h to compiler.h
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	<20090901182518.GA17903@oksana.dev.rtsoft.ru>
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On Tue, Sep 01, 2009 at 08:52:33PM +0200, Albin Tonnerre wrote:
[...]
> > > > +/* compiler options */
> > > > +#define uninitialized_var(x)		x = x
> > > 
> > > Please excuse my ignorance, but where and what for is such a
> > > definition useful?
> > 
> > It's used to avoid GCC warnings, i.e. when GCC isn't smart enough
> > to see that some variable isn't actually used uninitialized.
> > 
> > ~/linux-2.6$ git grep uninitialized_var drivers/ | wc -l
> > 94
> 
> You seem to be grepping the linux source tree.

Yes, which is a great source of best practices.

Thanks,

-- 
Anton Vorontsov
email: cbouatmailru at gmail.com
irc://irc.freenode.net/bd2