posix_fallocate(2) && posix_fadvise(2) are somewhat broken

[Dag-Erling Smørgrav]

Maxim Sobolev <sobomax at FreeBSD.org> writes:
> Hi, while working on some unrelated feature I've noticed that at least
> those two system calls are not returning proper value (-1) on error.
> Instead actual errno value is returned from the syscall verbatim,
> i.e. posix_fadvise() returns 22 on EINVAL.

That's how syscalls work.

DES
-- 
Dag-Erling Smørgrav - des at des.no