linux-kernel - Re: Fwd: [PATCH 1/7] I2c-nomadik: Fix the usage of wait_for_completion

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Message-ID: <20121115101820.GC418@pengutronix.de>
Date:	Thu, 15 Nov 2012 11:18:20 +0100
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	Srinidhi Kasagar <srinidhi.kasagar@...ricsson.com>
Cc:	"chuansheng.liu@...el.com" <chuansheng.liu@...el.com>,
	"linus.walleij@...aro.org" <linus.walleij@...aro.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Fwd: [PATCH 1/7] I2c-nomadik: Fix the usage of
 wait_for_completion_timeout

On Thu, Nov 15, 2012 at 03:27:42PM +0530, Srinidhi Kasagar wrote:
> On Thu, Nov 15, 2012 at 10:29:53 +0100, Wolfram Sang wrote:
> > 
> > > > -       if (timeout < 0) {
> > > > -               dev_err(&dev->adev->dev,
> > > > -                       "wait_for_completion_timeout "
> > > > -                       "returned %d waiting for event\n", timeout);
> > > > -               status = timeout;
> > > > -       }
> > > > -
> > > No, it is wrong. You need to update the status variable in the case of timeout.
> > 
> > Looking at the patch context, such code comes later.
> But it causes regressions; without looking at the "later" code, we can't afford merging
> this code now.

Later as in "a few lines later" not "some time later". Or am I missing
something else?

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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