We should not have a chance to exit with a wrong code on error
paths.

|^^^\
|    \________________
| **                |_\
\_______/^^^^^^^/_____/
       /      /
      /     /
     /____/
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>