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由 Erik Skultety 提交于
Previously the function returned either -1 in case of an error or 0 on success. However, we should also distinguish between a case we successfully added a controller and a case there wasn't a need to add any controller
852cea52
Previously the function returned either -1 in case of an error or 0 on success. However, we should also distinguish between a case we successfully added a controller and a case there wasn't a need to add any controller