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As pointed out by Al Viro for my previous series, the driver has no need to call access_ok() and __copy_from_user()/__copy_to_user(). Changing it to regular copy_from_user()/copy_to_user() simplifies the code without any real downsides, making it less error-prone at best. This patch by itself also addresses the warning about the access_ok() macro on MIPS, but both fixes improve the code, so ideally we apply them both. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.