> as discussed here some days ago, copy_to_user() returns the number of
> bytes left uncopied.
> Does copy_from_user() also return the number of uncopied bytes?
Yes, it does.
> When I watched out for some buggy `return copy_to_user()` statements
> I noticed that there were lots of similar `return copy_from_user()`
> statements as well.
Yes, there are.
I would like to see these cleaned up before 2.2.0 but I don't have time
to work on it.
"love without fear"