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

From: Ben Dooks
Date: Mon Dec 15 2008 - 05:16:36 EST


On Mon, Dec 15, 2008 at 08:46:00AM +0100, Jean Delvare wrote:
> 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.

It might be more acceptable to be dev_err(), that way it will get
printed no matter what debug options have been selected. If so, a
seperate patch is probably in order to make the change.

--
Ben (ben@xxxxxxxxx, http://www.fluff.org/)

'a smiley only costs 4 bytes'
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