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SubjectRe: [RFC] kobject: add kobject_init_ng and kobject_init_and_add functions
On Fri, 30 Nov 2007, Greg KH wrote:

> > My suggestion: Have kobject_init_ng() accept a ktype pointer but not a
> > parent or name. Instead, make kobject_add_ng() take the parent and
> > name (possibly a kset also). Then when kobject_init_and_add()
> > encounters an error, it shouldn't do a _put() -- the caller can either
> > do the _put() or just do a kfree().
>
> Why not the parent for init()? Isn't it always known at that time?
> I'll dig to be sure.

Specifying the parent during _add() is more logical, because a kobject
doesn't actually _do_ anything to the parent until it is registered in
the parent's directory. Or to put it another way, an unregistered
kobject can't have a parent in any meaningful sense so there's no point
specifying the parent in the _init() call.

It's really just a matter of taste.

Alan Stern

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