[LTP] [PATCH 1/2] kernel/syscalls: Modify incorrect use of TERRNO and replace functions with safe_macros

[Petr Vorel]

> - modify some incorrect use of TERRNO/TTERRNO in kernel/syscalls;
> - replace functions with safe_macros to check the return value in kernel/syscalls.
These two would be really better to put 2 commits.

Kind regards,
Petr