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Since pci_get_domain_bus_and_slot() can return NULL, add NULL check for pci_gfx_root in the mid_get_vbt_data(). This change is similar to the checks implemented in mid_get_fuse_settings() and mid_get_pci_revID(), which were introduced by commit0cecdd818c("gma500: Final enables for Oaktrail") as "additional minor bulletproofing". Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes:f910b41105("gma500: Add the glue to the various BIOS and firmware interfaces") Signed-off-by: Ivan Abramov <i.abramov@mt-integration.ru> Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250306112046.17144-1-i.abramov@mt-integration.ru
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 reStructuredText 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.