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[ Upstream commitcc73eb321d] The shift of 1 by align_order is evaluated using 32 bit arithmetic and the result is assigned to a resource_size_t type variable that is a 64 bit unsigned integer on 64 bit platforms. Fix an overflow before widening issue by making the 1 a ULL. Addresses-Coverity: ("Unintentional integer overflow") Fixes:32a9a682be("PCI: allow assignment of memory resources with a specified alignment") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Logan Gunthorpe <logang@deltatee.com> Signed-off-by: Sasha Levin <sashal@kernel.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.