netdev - Re: [PATCH] net, mellanox mlx4 Fix compile warnings

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Message-ID: <20130915062125.GA20185@will>
Date:	Sun, 15 Sep 2013 14:22:23 +0800
From:	ZHAO Gang <gamerh2o@...il.com>
To:	gamerh2o@...il.com
Cc:	Or Gerlitz <or.gerlitz@...il.com>,
	Prarit Bhargava <prarit@...hat.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Doug Ledford <dledford@...hat.com>,
	Amir Vadai <amirv@...lanox.com>,
	Or Gerlitz <ogerlitz@...lanox.com>
Subject: Re: [PATCH] net, mellanox mlx4 Fix compile warnings

hell what!

On Sun, Sep 15, 2013 at 09:14:00AM +0300, Jack Morgenstein wrote:
> On Sat, 14 Sep 2013 22:10:19 +0300
> Or Gerlitz <or.gerlitz@...il.com> wrote:
> 
> > > +       struct res_cq *uninitialized_var(cq);
> > >
> > >         err = cq_res_start_move_to(dev, slave, cqn,
> > > RES_CQ_ALLOCATED, &cq);
> 
> I have no objection. However, I don't know if the compiler is being too
> clever here or too stupid.  The cq variable is initialized in
> cq_res_start_move_to(), but the compiler is ignoring this -- or maybe
> it is simply not assuming that cq will in fact be
> initialized by the called procedure?
> 
> In any event, this change cannot hurt.
> 
> -Jack 
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