On Fri, Aug 08, 2014 at 10:56:57AM +0800, w wrote: > > If use symlinks it can work well. > > But why program in userspace can prevent driver release the node? > The program just open the node, nothing else. If it holds the node open, of course the kernel can't release it, the resource is still in use. That's the way it is supposed to be, don't you agree? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html