[ Upstream commit 840835c9281215341d84966a8855f267a971e6a3 ] Sometimes it makes no sense to search the skb by pkt.dpo, since we need next the skb within the transaction block. This may happen if we have an ETP session with CTS set to less than 255 packets. After this patch, we will be able to work with ETP sessions where the block size (ETP.CM_CTS byte 2) is less than 255 packets. Reported-by: Henrique Figueira <henrislip@gmail.com> Reported-by: https://github.com/linux-can/can-utils/issues/228 Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol") Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Link: https://lore.kernel.org/r/20200807105200.26441-5-o.rempel@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.
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