Re: kobjects, sysfs and the driver model make my head hurt

[James Morris]

On Sun, 6 Jul 2003, Davide Libenzi wrote:

> On Sun, 6 Jul 2003, Matthew Wilcox wrote:
> 
> > Why on earth does it return the value of its argument?
> 
> Maybe for the same reason 'strcpy' returns 'dest'. It allows you to use
> the function in a function parameter :

It also makes calling code cleaner when copying refcounted objects:

e.g.
	new->foo = foo_get(old->foo);
	new->bar = bar_get(old->bar);

otherwise, you'd have to do:

	foo_get(old->foo);
	new->foo = old->foo;
	bar_get(old->bar);
	new->bar = old->bar;

- James
-- 
James Morris
<[e-mail]>