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An error-valued pointer can handle all in one without the wrapper
struct.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230417153741.1074692-2-jani.nikula@intel.com