[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH 2/3] usb: add public usb_device_by_id

From: Gerd Hoffmann
Subject: Re: [Qemu-devel] [PATCH 2/3] usb: add public usb_device_by_id
Date: Tue, 19 Oct 2010 15:09:38 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20100827 Red Hat/3.1.3-1.el6 Thunderbird/3.1.3

+USBDevice *usb_device_by_id(const char* id)
+    USBBus *bus;
+    DeviceState *qdev;
+    USBDevice *dev;
+    QTAILQ_FOREACH(bus,&busses, next) {
+        qdev = qdev_find_recursive(&bus->qbus, id);
+        if (qdev != NULL) {
+            dev = DO_UPCAST(USBDevice, qdev, qdev);
+            return dev;
+        }
+    }

You don't need qdev_find_recursive here. Have a look at the usb_info() code to see how to loop over all usb devices. Then compare id with USBDevice->qdev.id.


reply via email to

[Prev in Thread] Current Thread [Next in Thread]