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These three functions follow the same pattern. To deduplicate the code, let's introduce a common helper __kmemdup_nul(). Link: https://lkml.kernel.org/r/20241007144911.27693-7-laoar.shao@gmail.com Suggested-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Cc: Simon Horman <horms@kernel.org> Cc: Matthew Wilcox <willy@infradead.org> Cc: Alejandro Colomar <alx@kernel.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christian Brauner <brauner@kernel.org> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: David Airlie <airlied@gmail.com> Cc: Eric Biederman <ebiederm@xmission.com> Cc: Eric Paris <eparis@redhat.com> Cc: James Morris <jmorris@namei.org> Cc: Jan Kara <jack@suse.cz> Cc: Justin Stitt <justinstitt@google.com> Cc: Kees Cook <keescook@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Matus Jokay <matus.jokay@stuba.sk> Cc: Maxime Ripard <mripard@kernel.org> Cc: Ondrej Mosnacek <omosnace@redhat.com> Cc: Paul Moore <paul@paul-moore.com> Cc: Quentin Monnet <qmo@kernel.org> Cc: "Serge E. Hallyn" <serge@hallyn.com> Cc: Stephen Smalley <stephen.smalley.work@gmail.com> Cc: Steven Rostedt (Google) <rostedt@goodmis.org> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Thomas Zimmermann <tzimmermann@suse.de> 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.