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Marc Kleine-Budde <mkl@pengutronix.de> says: There are 2 BUG_ON() in the CAN dev helpers. During the update/test of the at91_can driver to rx-offload the one in can_restart() was triggered, due to a race condition in can_restart() and a hardware limitation of the at91_can IP core. This series fixes the race condition, replaces BUG_ON() with an error message, and does some cleanup. Finally, the BUG_ON() in can_put_echo_skb() is also replaced with error handling. Changes in v2: - 4/5: move "Restarted" debug message and stats after successful restart (Thanks Vincent) - Link to v1: https://lore.kernel.org/all/20231004-can-dev-fix-can-restart-v1-0-2e52899eaaf5@pengutronix.de Link: https://lore.kernel.org/all/20231005-can-dev-fix-can-restart-v2-0-91b5c1fd922c@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.