- enhancements.response = 0;
- intel_sdvo_get_value(intel_sdvo,
- SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
- &enhancements, sizeof(enhancements));
- if (enhancements.response == 0) {
+ if (!intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
+ &enhancements, sizeof(enhancements)) ||
+ enhancements.response == 0) {