Re: Followup: copy_to_user return value breaks lots of code
Linus Torvalds (torvalds@transmeta.com)
Fri, 23 Jan 1998 10:08:01 -0800 (PST)
On Fri, 23 Jan 1998, Richard Henderson wrote:
>
> On Thu, Jan 22, 1998 at 12:35:38PM -0600, Michael Elizabeth Chastain wrote:
> > The new copy_to_user returns the number of bytes written,
>
> In that none of the other architectures were modified,
> or notified that they should be, I have to assume this
> was a mistake in the trasition to out-of-line.
It's definitely a mistake. The copy_to/from_user() things should still
return the number of bytes left _un_copied (ie zero under normal
conditions)
Linus