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Increase the size of the prefix buffer so that it can hold enough characters for every possible input. Although 20 is enough for all expected inputs, it is possible for the values to be larger than expected, resulting in a possibly truncated string. Additionally, lets use sizeof(prefix) in order to ensure we use the correct size if we need to change the array length in the future. New versions of GCC starting at 7 now include warnings to prevent truncation unless you handle the return code. At most 27 bytes can be written here, so lets just increase the buffer size even if for all expected hw->bus.* values we only needed 20. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.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.