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Driver includes magic numbers. Defining constants or using existing constants aids the readability of the code. Magic number '12' is used for two ethernet addresses (6 bytes each). ETH_ALEN is already defined within the kernel to 6. We can us the expression '2 * ETH_ALEN' to make this code explicit. Magic number '20' refers to the data size, in bytes, of a struct ether_hdr (described in eap_packet.h). We can define a constant for this purpose, making the code explicit and easier to read. Define constant. Remove magic numbers, using newly defined constant and/or expression using existing kernel constant. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.