213 	if (kIOReturnSuccess != setSpecification(outSegFunc, segmentOptions,  in initWithSpecification()
347 	return kIOReturnSuccess;  in setSpecification()
399 	IOReturn err = kIOReturnSuccess;  in setMemoryDescriptor()
407 		return kIOReturnSuccess;  in setMemoryDescriptor()
471 	return kIOReturnSuccess;  in clearMemoryDescriptor()
552 		return kIOReturnSuccess;  in segmentOp()
619 	return kIOReturnSuccess;  in segmentOp()
635 	IOReturn     ret = kIOReturnSuccess;  in walkAll()
696 					ret = kIOReturnSuccess;  in walkAll()
733 					ret = (bytes == state->fPreparedLength) ? kIOReturnSuccess : kIOReturnUnderrun;  in walkAll()
735 					ret = kIOReturnSuccess;  in walkAll()
797 	if (kIOReturnSuccess != ret) {  in prepareWithSpecification()
839 	IOReturn                  ret = kIOReturnSuccess;  in prepare()
928 			if ((kIOReturnSuccess == ret)  in prepare()
961 						assert(kIOReturnSuccess == ret);  in prepare()
962 						if (ret != kIOReturnSuccess) {  in prepare()
968 					if (ret != kIOReturnSuccess) {  in prepare()
1003 						if (ret != kIOReturnSuccess) {  in prepare()
1043 			if (kIOReturnSuccess == ret) {  in prepare()
1049 		if (kIOReturnSuccess == ret) {  in prepare()
1060 	IOReturn               ret   = kIOReturnSuccess;  in complete()
1135 	return kIOReturnSuccess;  in getPreparedOffsetAndLength()
1142 	IOReturn               ret   = kIOReturnSuccess;  in synchronize()
1156 			return kIOReturnSuccess;  in synchronize()
1165 		return kIOReturnSuccess;  in synchronize()
1230 	return context->remaining ? kIOReturnSuccess : kIOReturnOverrun;  in transferSegment()
1290 	IOReturn               ret  = kIOReturnSuccess;  in genIOVMSegments()
1353 					rtn = kIOReturnSuccess;  in genIOVMSegments()
1411 					rtn = kIOReturnSuccess;  in genIOVMSegments()
1426 			    && (rtn == kIOReturnSuccess)  in genIOVMSegments()
1448 			if (rtn == kIOReturnSuccess) {  in genIOVMSegments()
1611 			if (kIOReturnSuccess != ret) {  in genIOVMSegments()
1626 	if (kIOReturnSuccess == ret) {  in genIOVMSegments()
1640 	IOReturn ret = kIOReturnSuccess;  in clientOutputSegment()