netdev - Re: [PATCH net 1/4] Revert "can: raw: instantly reject unsupported CAN frames"

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Message-Id: <563a78e6-e1b0-4bc7-abc1-0c87da53972d@app.fastmail.com>
Date: Thu, 15 Jan 2026 14:18:26 +0100
From: "Arnd Bergmann" <arnd@...db.de>
To: "Marc Kleine-Budde" <mkl@...gutronix.de>, Netdev <netdev@...r.kernel.org>
Cc: "David S . Miller" <davem@...emloft.net>,
 "Jakub Kicinski" <kuba@...nel.org>, linux-can@...r.kernel.org,
 "Pengutronix Kernel Team" <kernel@...gutronix.de>,
 "Oliver Hartkopp" <socketcan@...tkopp.net>,
 "Vincent Mailhol" <mailhol@...nel.org>
Subject: Re: [PATCH net 1/4] Revert "can: raw: instantly reject unsupported CAN frames"

On Thu, Jan 15, 2026, at 09:57, Marc Kleine-Budde wrote:
> From: Oliver Hartkopp <socketcan@...tkopp.net>
>
> This reverts commit 1a620a723853a0f49703c317d52dc6b9602cbaa8
>
> and its follow-up fixes for the introduced dependency issues.
>
> commit 1a620a723853 ("can: raw: instantly reject unsupported CAN 
> frames")
> commit cb2dc6d2869a ("can: Kconfig: select CAN driver infrastructure by 
> default")
> commit 6abd4577bccc ("can: fix build dependency")
> commit 5a5aff6338c0 ("can: fix build dependency")
>
> The entire problem was caused by the requirement that a new network layer
> feature needed to know about the protocol capabilities of the CAN devices.
> Instead of accessing CAN device internal data structures which caused the
> dependency problems a better approach has been developed which makes use of
> CAN specific ml_priv data which is accessible from both sides.
>
> Cc: Marc Kleine-Budde <mkl@...gutronix.de>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: Vincent Mailhol <mailhol@...nel.org>
> Signed-off-by: Oliver Hartkopp <socketcan@...tkopp.net>
> Link: https://patch.msgid.link/20260109144135.8495-2-socketcan@hartkopp.net
> Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>

Acked-by: Arnd Bergmann <arnd@...db.de>