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-rw-r--r--hw/usb-bus.c3
-rw-r--r--hw/usb.h1
2 files changed, 3 insertions, 1 deletions
diff --git a/hw/usb-bus.c b/hw/usb-bus.c
index 28b517f5d..87dcc7f17 100644
--- a/hw/usb-bus.c
+++ b/hw/usb-bus.c
@@ -45,8 +45,9 @@ static int usb_qdev_init(DeviceState *qdev, DeviceInfo *base)
pstrcpy(dev->devname, sizeof(dev->devname), qdev->info->name);
dev->info = info;
+ dev->auto_attach = 1;
rc = dev->info->init(dev);
- if (rc == 0)
+ if (rc == 0 && dev->auto_attach)
usb_device_attach(dev);
return rc;
}
diff --git a/hw/usb.h b/hw/usb.h
index a875d5b4c..a01f33488 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -133,6 +133,7 @@ struct USBDevice {
int speed;
uint8_t addr;
char devname[32];
+ int auto_attach;
int attached;
int state;