migrate: Introduce a 'dc->vmsd' check to avoid segfault for --only-migratable

[mirror_qemu.git] / hw / usb / bus.c

diff --git a/hw/usb/bus.c b/hw/usb/bus.c
index efe4b8e1a6b068f45a99ae17e142322cb37f9514..24f1608b4bd454ab156d9d1649ca53bd9a516308 100644 (file)
--- a/hw/usb/bus.c
+++ b/hw/usb/bus.c
@@ -8,7 +8,6 @@
 #include "monitor/monitor.h"
 #include "trace.h"
 #include "qemu/cutils.h"
-#include "migration/migration.h"
 
 static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent);
 
@@ -688,8 +687,6 @@ USBDevice *usbdevice_create(const char *cmdline)
     const char *params;
     int len;
     USBDevice *dev;
-    ObjectClass *klass;
-    DeviceClass *dc;
 
     params = strchr(cmdline,':');
     if (params) {
@@ -724,22 +721,6 @@ USBDevice *usbdevice_create(const char *cmdline)
         return NULL;
     }
 
-    klass = object_class_by_name(f->name);
-    if (klass == NULL) {
-        error_report("Device '%s' not found", f->name);
-        return NULL;
-    }
-
-    dc = DEVICE_CLASS(klass);
-
-    if (only_migratable) {
-        if (dc->vmsd->unmigratable) {
-            error_report("Device %s is not migratable, but --only-migratable "
-                         "was specified", f->name);
-            return NULL;
-        }
-    }
-
     if (f->usbdevice_init) {
         dev = f->usbdevice_init(bus, params);
     } else {