Method getControllerViaIteration

USBToolBox/USBToolBox.cpp:178–203

}

IORegistryEntry* USBToolBox::getControllerViaIteration() {
    OSIterator* iterator = pciDevice->getChildIterator(gIOServicePlane);
    if (!iterator) {
        SYSTEMLOGPROV("Failed to create IOService iterator!");
        return NULL;
    }
    
    IORegistryEntry* controller = NULL;
    
    DEBUGLOGPROV("Starting iteration over IOService plane");
    while (IORegistryEntry* entry = OSDynamicCast(IORegistryEntry, iterator->getNextObject())) {
        // DEBUGLOGPROV("Object name is %s with class %s", entry->getName(), entry->getMetaClass()->getClassName());
        if (checkClassHierarchy(entry, "AppleUSBHostController")) {
            // This is it
            DEBUGLOGPROV("%s is AppleUSBHostController instance", entry->getName());
            // Retain before we exit iterator to prevent any races.
            entry->retain();
            controller = entry;
            break;
        }
    }
    DEBUGLOGPROV("Iteration over IOService plane finished");
    OSSafeReleaseNULL(iterator);
    
    return controller;
}

void USBToolBox::deleteProperty(IORegistryEntry* entry, const char* property) {
    if (entry->getProperty(property)) {