On Fri, 15 Aug 2008, H. Peter Anvin wrote:

quoted text
> Alan Stern wrote:
> > The following appears to be a false positive in checkpatch:
> > 
> > ERROR: space prohibited after that '*' (ctx:BxW)
> > #163: FILE: drivers/usb/core/usb.c:304:
> > +#define usb_device_pm_ops      (* (struct pm_ops *) 0)
> >                                  ^
> > 
> > Certainly this is a rather uncommon code construction, but similar
> > ones might occur elsewhere.  To my eyes,
> > 
> > 	(* (type *) ptr)
> > 
> > looks better than
> > 
> > 	(*(type *) ptr)
> > 
> > or
> > 
> > 	(*(type *)ptr)
> > 
> > or even
> > 
> > 	(*(type*)ptr)
> > 
> > but of course this is a matter of opinion.  Is there any strong feeling 
> > about this in the kernel community?
> > 
> 
> Personally, I rather strongly prefer (*(type *)ptr).

It's probably safe to say that this is one of those gray areas where 
one need not adhere strictly to checkpatch's recommendations.

Alan Stern

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