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Merge patch series "can: raw: better approach to instantly reject unsupported CAN frames"

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Oliver Hartkopp <socketcan@hartkopp.net> says:

This series reverts commit 1a620a7238 ("can: raw: instantly reject
unsupported CAN frames").

and its follow-up fixes for the introduced dependency issues.

commit 1a620a7238 ("can: raw: instantly reject unsupported CAN frames")
commit cb2dc6d286 ("can: Kconfig: select CAN driver infrastructure by default")
commit 6abd4577bc ("can: fix build dependency")
commit 5a5aff6338 ("can: fix build dependency")

The reverted patch was accessing CAN device internal data structures
from the network layer because it needs to know about the CAN protocol
capabilities of the CAN devices.

This data access caused build problems between the CAN network and the
CAN driver layer which introduced unwanted Kconfig dependencies and fixes.

The patches 2 & 3 implement a better approach which makes use of the
CAN specific ml_priv data which is accessible from both sides.

With this change the CAN network layer can check the required features
and the decoupling of the driver layer and network layer is restored.

Link: https://patch.msgid.link/20260109144135.8495-1-socketcan@hartkopp.net
[mkl: give series a more descriptive name]
[mkl: properly format reverted patch commitish]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2026-01-15 09:52:34 +01:00
commit 6c1f5146b2
10 changed files with 102 additions and 53 deletions
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