vps_start_custom(): eliminate err

It doesn't really matter to the kernel what we write to err_p,
so this variable is not needed at all.

In fact, in

	write(old_wait_p[1], &err, sizeof(err));

we were writing some unknown value of err, ie it was uninitialized.

Found by coverity, CID 996900.

Signed-off-by: Kir Kolyshkin <kir@openvz.org>
1 file changed