Propogate error codes from ioctl failure properly up the layers
so that we skip exposing bad root devices.
Related-To: NEO-7709
Signed-off-by: Aravind Gopalakrishnan <aravind.gopalakrishnan@intel.com>
Change IoctlHelper::ioctl function to return int.
Change IoctlHelper::createGemExt function to return int.
Change IoctlHelper::queryDistances function to return int.
Change UuidRegisterResult::retVal type to int32_t.
Rename res to ret in debug_session.cpp for consistency.
Signed-off-by: Filip Hazubski <filip.hazubski@intel.com>