1 files changed, 7 insertions, 29 deletions
diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c
index 2518306f52..e6d21aa8e1 100644
--- a/hw/usb/host-libusb.c
+++ b/hw/usb/host-libusb.c
@@ -770,6 +770,13 @@ static void usb_host_speed_compat(USBHostDevice *s)
         for (i = 0; i < conf->bNumInterfaces; i++) {
             for (a = 0; a < conf->interface[i].num_altsetting; a++) {
                 intf = &conf->interface[i].altsetting[a];
+
+                if (intf->bInterfaceClass == LIBUSB_CLASS_MASS_STORAGE &&
+                    intf->bInterfaceSubClass == 6) { /* SCSI */
+                    udev->flags |= (1 << USB_DEV_FLAG_IS_SCSI_STORAGE);
+                    break;
+                }
+
                 for (e = 0; e < intf->bNumEndpoints; e++) {
                     endp = &intf->endpoint[e];
                     type = endp->bmAttributes & 0x3;
@@ -1893,35 +1900,6 @@ static void usb_host_auto_check(void *unused)
     timer_mod(usb_auto_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 2000);
 }
 
-/**
- * Check whether USB host device has a USB mass storage SCSI interface
- */
-bool usb_host_dev_is_scsi_storage(USBDevice *ud)
-{
-    USBHostDevice *uhd = USB_HOST_DEVICE(ud);
-    struct libusb_config_descriptor *conf;
-    const struct libusb_interface_descriptor *intf;
-    bool is_scsi_storage = false;
-    int i;
-
-    if (!uhd || libusb_get_active_config_descriptor(uhd->dev, &conf) != 0) {
-        return false;
-    }
-
-    for (i = 0; i < conf->bNumInterfaces; i++) {
-        intf = &conf->interface[i].altsetting[ud->altsetting[i]];
-        if (intf->bInterfaceClass == LIBUSB_CLASS_MASS_STORAGE &&
-            intf->bInterfaceSubClass == 6) {                 /* 6 means SCSI */
-            is_scsi_storage = true;
-            break;
-        }
-    }
-
-    libusb_free_config_descriptor(conf);
-
-    return is_scsi_storage;
-}
-
 void hmp_info_usbhost(Monitor *mon, const QDict *qdict)
 {
     libusb_device **devs = NULL;