linux-kernel - Re: GPIO: Fix probe() error return in gpio driver probes

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Message-ID: <20081215084600.5d237fea@hyperion.delvare>
Date:	Mon, 15 Dec 2008 08:46:00 +0100
From:	Jean Delvare <khali@...ux-fr.org>
To:	David Brownell <david-b@...bell.net>
Cc:	Ben Dooks <ben-linux@...ff.org>, linux-kernel@...r.kernel.org,
	linux-i2c@...r.kernel.org
Subject: Re: GPIO: Fix probe() error return in gpio driver probes

On Sun, 14 Dec 2008 16:11:17 -0800, David Brownell wrote:
> On Sunday 14 December 2008, Ben Dooks wrote:
> > Has anyone reveiwed this patch? Are there any comments, or can this
> > be commited at somepoint (even if it is during the next merge window)?
> 
> I was thinking that -EINVAL is almost the least informative
> diagnostic code possible, since so many places return it
> that it's usually hard to find out *which* invalid parameter
> triggered ...
> 
> Is there a less-overloaded code you could return?

-EINVAL sounds right to me, all that's really missing is dev_dbg()
messages in the drivers to log what the exact problem was. 

> I have no issue with the patch other than that.

-- 
Jean Delvare
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