netdev - Re: [PATCH net-next 2/2] i40e: Fix devlink port unregistering

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Date: Tue, 24 Oct 2023 15:00:44 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: Ivan Vecera <ivecera@...hat.com>
Cc: netdev@...r.kernel.org, Jesse Brandeburg <jesse.brandeburg@...el.com>,
	Tony Nguyen <anthony.l.nguyen@...el.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	intel-wired-lan@...ts.osuosl.org, linux-kernel@...r.kernel.org,
	Jacob Keller <jacob.e.keller@...el.com>
Subject: Re: [PATCH net-next 2/2] i40e: Fix devlink port unregistering

Tue, Oct 24, 2023 at 02:51:09PM CEST, ivecera@...hat.com wrote:
>Ensure that devlink port is unregistered after unregistering
>of net device.
>
>Reproducer:
>[root@...t ~]# rmmod i40e
>[ 4742.939386] i40e 0000:02:00.1: i40e_ptp_stop: removed PHC on enp2s0f1np1
>[ 4743.059269] ------------[ cut here ]------------
>[ 4743.063900] WARNING: CPU: 21 PID: 10766 at net/devlink/port.c:1078 devl_port_unregister+0x69/0x80
>...
>
>Fixes: 9e479d64dc58 ("i40e: Add initial devlink support")
>Signed-off-by: Ivan Vecera <ivecera@...hat.com>

Reviewed-by: Jiri Pirko <jiri@...dia.com>