Re: [PATCH] net: dev: Add API to check net_dev readiness

Andrew Lunn
2020-07-26T19:45:40Z

On Sun, Jul 26, 2020 at 10:37:54PM +0300, Ilia Lin wrote:
> From: Ilia Lin <ilia.lin@kernel.org>
>
> Add an API that returns true, if the net_dev_init was already called,
> and the driver was initialized.
>
> Some early drivers, that are initialized during the subsys_initcall
> may try accessing the net_dev or NAPI APIs before the net_dev_init,
> and will encounter a kernel bug. This API provides a way to handle
> this and manage by deferring or by other way.

Hi Ilia

You need to include a user of this new API.

I also have to wonder why a network device driver is being probed the
subsys_initcall.

Andrew