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With DEBUG defined, any frame received will see its MHR fields (fc and addresses, mainly) being printed in the kernel log buffer, unconditionally. In most cases this is fine, but in some specific cases (like Acknowledgment frames, where both the source and destination addressing fields are omitted), it displays garbage which is misleading. Only print the addressing fields when they are present, which clarifies the logs. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/r/20220905202724.1322046-1-miquel.raynal@bootlin.com Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.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.