On Wed, 4 Sep 2019 16:27:50 -0400 Hui Peng <benquike@xxxxxxxxx> wrote: > Hi, all: > > I looked at the bug a little. > > The issue is that in the error handling code, hso_free_net_device > unregisters > > the net_device (hso_net->net) by calling unregister_netdev. In the > error handling code path, > > hso_net->net has not been registered yet. > > I think there are two ways to solve the issue: > > 1. fix it in drivers/net/usb/hso.c to avoiding unregistering the > net_device when it is still not registered > > 2. fix it in unregister_netdev. We can add a field in net_device to > record whether it is registered, and make unregister_netdev return if > the net_device is not registered yet. > > What do you guys think ? #1
