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5557b62634
Previously acpi_pci_set_power_state() assumed the requested power state was valid (PCI_D0 ... PCI_D3cold). If a caller supplied something else, we could index outside the state_conv[] array and pass junk to acpi_device_set_power(). Validate the pci_power_t parameter and return -EINVAL if it's invalid. Link: https://lore.kernel.org/r/20230621222857.GA122930@bhelgaas Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
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.