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commitf8ee579d53upstream. We allow up to PCI_EXP_SLTSTA2 registers to be accessed, but the pcie_cap_regs_behavior[] array only covers up to PCI_EXP_RTSTA. Expand this array to avoid walking off the end of it. Do the same for pci_regs_behavior for consistency[], and add a BUILD_BUG_ON() to also check the bridge->conf structure size. Fixes:23a5fba4d9("PCI: Introduce PCI bridge emulated config space common logic") Link: https://lore.kernel.org/r/E1l6z9W-0006Re-MQ@rmk-PC.armlinux.org.uk Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Pali Rohár <pali@kernel.org> Signed-off-by: Marek Behún <kabel@kernel.org> 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.