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6ef8443fb1
snd_soc_dai_link_event_pre_pmu() is using kzalloc()/kfree() for params. It looks we don't need to use these, but are necessary. But, it is difficult to know why it is necessary without any comments. This patch adds the reasons via comment. Link: https://lore.kernel.org/all/Yxc2wzbZsSVZNf8Y@sirena.org.uk/ Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/878rmubn47.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.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 Restructured Text 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.