vhost-vdpa: Call ida_simple_remove() when failed

In function vhost_vdpa_probe(), when code execution fails, we should
call ida_simple_remove() to free ida.

Signed-off-by: Bo Liu <[e-mail]>
Message-Id: <[e-mail]>
Signed-off-by: Michael S. Tsirkin <[e-mail]>

drivers/vhost/vdpa.c

···
 
 err:
 	put_device(&v->dev);
+	ida_simple_remove(&vhost_vdpa_ida, v->minor);
 	return r;
 }