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SubjectRe: [PATCH v2] net: hso: do not call unregister if not registered
On Sat, Oct 03, 2020 at 05:00:42PM -0700, David Miller wrote:
> From: Greg KH <gregkh@linuxfoundation.org>
> Date: Fri, 2 Oct 2020 13:43:23 +0200
>
> > @@ -2366,7 +2366,8 @@ static void hso_free_net_device(struct hso_device *hso_dev, bool bailout)
> >
> > remove_net_device(hso_net->parent);
> >
> > - if (hso_net->net)
> > + if (hso_net->net &&
> > + hso_net->net->reg_state == NETREG_REGISTERED)
> > unregister_netdev(hso_net->net);
> >
> > /* start freeing */
>
> I really want to get out of the habit of drivers testing the internal
> netdev registration state to make decisions.
>
> Instead, please track this internally. You know if you registered the
> device or not, therefore use that to control whether you try to
> unregister it or not.

Fair enough. Tuba, do you want to fix this up in this way, or do you
recommend that someone else do it?

thanks,

greg k-h

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