Re: [PATCH 5/5] driver core: let dev_set_drvdata return intinstead of void as it can fail
From: Uwe Kleine-König
Date: Wed Apr 06 2011 - 07:06:34 EST
On Wed, Apr 06, 2011 at 11:36:46AM +0200, MichaÅ MirosÅaw wrote:
> 2011/4/6 Uwe Kleine-KÃnig <u.kleine-koenig@xxxxxxxxxxxxxx>:
> > Signed-off-by: Uwe Kleine-KÃnig <u.kleine-koenig@xxxxxxxxxxxxxx>
> > ---
> > Hello,
> > I wasn't sure what to return when dev_set_drvdata is called with
> > dev=NULL. ÂI choosed 0, but -EINVAL would be OK for me, too. What do you
> > think?
> Why not just BUG_ON(!dev)? Is there a case when you might call this
> with dev==NULL that's not a driver bug?
I think BUG_ON is too harsh. Will resend with -EINVAL.
Pengutronix e.K. | Uwe Kleine-KÃnig |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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