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a536019d3e
The check i > npage at the end of vfio_iommu_type1_unpin_pages is unused unless npage < 0, but if npage < 0, this function will return npage, which should return -EINVAL instead. So let's just check the parameter npage at the start of the function. By the way, replace unpin_exit with break. Signed-off-by: Shenming Lu <lushenming@huawei.com> Message-Id: <20210406135009.1707-1-lushenming@huawei.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.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.