linux-kernel - Re: [PATCH net-next 1/2] i40e: Do not call devlink_port_type

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Date:   Tue, 24 Oct 2023 15:00:30 +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 1/2] i40e: Do not call devlink_port_type_clear()

Tue, Oct 24, 2023 at 02:51:08PM CEST, ivecera@...hat.com wrote:
>Do not call devlink_port_type_clear() prior devlink port unregister
>and let devlink core to take care about it.
>
>Reproducer:
>[root@...t ~]# rmmod i40e
>[ 4539.964699] i40e 0000:02:00.0: devlink port type for port 0 cleared without a software interface reference, device type not supported by the kernel?
>[ 4540.319811] i40e 0000:02:00.1: devlink port type for port 1 cleared without a software interface reference, device type not supported by the kernel?
>
>Fixes: 9e479d64dc58 ("i40e: Add initial devlink support")
>Signed-off-by: Ivan Vecera <ivecera@...hat.com>

Ivan, I see that even if we have checks and warnings, it is not enough :)

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

Btw, some (even brief) cover letter for patchset would be nice.