diff --git a/repos/dde_linux/src/lib/lx_emul/virt/shadow/drivers/usb/core/urb.c b/repos/dde_linux/src/lib/lx_emul/virt/shadow/drivers/usb/core/urb.c
index 621af9bc84..15e4adaf60 100644
--- a/repos/dde_linux/src/lib/lx_emul/virt/shadow/drivers/usb/core/urb.c
+++ b/repos/dde_linux/src/lib/lx_emul/virt/shadow/drivers/usb/core/urb.c
@@ -92,6 +92,9 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
 	int ret = 0;
 	unsigned timeout_jiffies = msecs_to_jiffies(10000u);
 
+	if (!urb || !urb->complete)
+		return -EINVAL;
+
 	if (!urb->dev->bus)
 		return -ENODEV;