netdev - Re: [PATCH] net: hso: do not unregister if not registered

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Date:   Fri, 08 Feb 2019 15:08:18 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     tuba@....ufl.edu
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH] net: hso: do not unregister if not registered

From: "Yavuz, Tuba" <tuba@....ufl.edu>
Date: Wed, 6 Feb 2019 00:40:31 +0000

> 
> On an error path inside the hso_create_net_device function of the hso
> driver, hso_free_net_device gets called. This causes potentially a
> negative reference count in the net device if register_netdev has not
> been called yet as hso_free_net_device calls unregister_netdev
> regardless. I think the driver should distinguish these cases and call
> unregister_netdev only if register_netdev has been called.
> 
> Signed-off-by: Tuba Yavuz <tuba@....ufl.edu>

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