netdev - Re: [PATCH net-next v5] net/tun: Call netdev notifiers

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Message-ID: <20201120102827.6b432dc5@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Fri, 20 Nov 2020 10:28:27 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Martin Schiller <ms@....tdt.de>
Cc:     davem@...emloft.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v5] net/tun: Call netdev notifiers

On Wed, 18 Nov 2020 07:39:19 +0100 Martin Schiller wrote:
> Call netdev notifiers before and after changing the device type.
> 
> Signed-off-by: Martin Schiller <ms@....tdt.de>

This is a fix, right? Can you give an example of something that goes
wrong without this patch?