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In new versions of GCC since 7.x a new warning exists which warns when a string is truncated before all of the format can be completed. When we setup VMDQ netdev names we are copying a pre-existing interface name which could be up to 15 characters in length. Since we also add 4 bytes, v, the literal %, the d and a \0 null, we would overrun the available size unless snprintf truncated for us. The snprintf call will of course truncate on the end, so lets instead modify the code to force truncation of the copied netdev name by 4 characters, to create enough space for the 4 bytes we're adding. 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.