net-thunder: One check less in nicvf_register_interrupts() after error detection

[Joe Perches]

On Thu, 2016-01-07 at 21:38 +0100, SF Markus Elfring wrote:
> > Some prefer that source code be "templatized" regardless
> > of the number of exit points that any particular use of a
> > specific function type.
[]
> > Some of your patches are converting these templatized
> > functions to a different form for no added value.
> 
> Would you like to distinguish a bit more between my evolving
> collection of update suggestions and the concrete proposal
> for the function "nicvf_register_interrupts"?

No.

> > These patches make the local source code inconsistent
> > and generally goes against the authors preferred style.
> 
> Which programming approach will be the leading one here finally?

Whatever the developer wants.

There is no _best_ or _only_ style for this.