Re: [PATCH] char: Add Dell Systems Management Base driver

[Doug Warzecha <Douglas_Warzecha@dell.com>]

On Wed, Jul 06, 2005 at 09:07:37AM -0700, Greg KH wrote:
> On Wed, Jul 06, 2005 at 10:57:35AM -0500, Doug Warzecha wrote:
> > On Tue, Jul 05, 2005 at 11:17:03PM -0500, Greg KH wrote:
> > >    > +static void dcdbas_device_release(struct device *dev)
> > >    > +{
> > >    > +     /* nothing to release */
> > >    > +}
> > > 
> > >    This is a symptom of a broken driver.
> > > 
> > >    Hm, I wonder if there's some way for the compiler to check the fact that
> > >    a function pointer passed to another function, is really a null
> > >    function.  That would stop this kind of nonsense...
> > 
> > There are other drivers in the kernel tree with null device release functions.
> 
> Where?

Here's a couple:

drivers/video/vfb.c: vfb_platform_release
drivers/video/epson1355fb.c: epson1355fb_platform_release

Doug
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