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45ca3f76de
static struct ro_vpd and rw_vpd are initialized by vpd_sections_init() in vpd_probe() based on header's ro and rw sizes. In vpd_remove() vpd_section_destroy() performs deinitialization based on enabled flag, which is set to true by vpd_sections_init(). This leads to call of vpd_section_destroy() on already destroyed section for probe-release-probe-release sequence if first probe performs ro_vpd initialization and second probe does not initialize it. The patch adds changing enabled flag on vpd_section_destroy and adds cleanup on the error path of vpd_sections_init. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Anton Vasilyev <vasilyev@ispras.ru> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.