[PATCH net-next v4 1/9] net: free_netdev: exit earlier if dummy

Jakub Kicinski kuba at kernel.org
Tue Apr 9 18:46:25 PDT 2024

On Tue,  9 Apr 2024 05:57:15 -0700 Breno Leitao wrote:
> For dummy devices, exit earlier at free_netdev() instead of executing
> the whole function. This is necessary, because dummy devices are
> special, and shouldn't have the second part of the function executed.
> Otherwise reg_state, which is NETREG_DUMMY for dummy devices, will be
> overwritten and there will be no way to identify that this is a dummy
> device. Also, this device do not need the final put_device(), since
> dummy devices are not registered (through register_netdevice()), where
> the device reference is increased (at netdev_register_kobject() ->
> device_add()).

There's a small fuzz when applying due to the phy topo changes
landing, please rebase, the CI didn't ingest it right.
pw-bot: cr

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