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WARN_ONCE() takes a condition and a format string. We were passing a constant string as the condition, and the function name as the format string. It would work, but the message would be just the function name. Fix it by just using WARN_ONCE() directly instead of if (x) WARN_ONCE(). Noticed-by: Geliang Tang <geliangtang@163.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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.