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The mei extension header was build as array of flexible structures which will not work if actually more headers are added. (Currently only vtag header was used). Sparse reports: drivers/misc/mei/hw.h:253:32: warning: array of flexible structures Use basic type u8 for the variable sized extension. Define explicitly mei_ext_hdr_vtag structure. And also fix mei_ext_next() function to point correctly to the end of the header. Note: the headers are part of firmware interface and need to be __packed. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20210621193756.134027-2-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.