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051e750307
gcc-9 warns about a possibly non-terminated string copy: kernel/trace/blktrace.c: In function 'do_blk_trace_setup': kernel/trace/blktrace.c:527:2: error: 'strncpy' specified bound 32 equals destination size [-Werror=stringop-truncation] Newer versions are fine here because they see the following explicit nul-termination. Using strscpy_pad() avoids the warning and simplifies the code a little. The padding helps give a clean buffer to userspace. Link: https://lkml.kernel.org/r/20240409140059.3806717-5-arnd@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Justin Stitt <justinstitt@google.com> Cc: Alexey Starikovskiy <astarikovskiy@suse.de> Cc: Bob Moore <robert.moore@intel.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Len Brown <lenb@kernel.org> Cc: Lin Ming <ming.m.lin@intel.com> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nicolas Schier <nicolas@fjasle.eu> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: "Richard Russon (FlatCap)" <ldm@flatcap.org> Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
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.