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Ziyang Xuan
9b00a5f509
kvfree(NULL) is safe. NULL check before kvfree() is not needed. Delete them to simplify the code. Generated by coccinelle script: scripts/coccinelle/free/ifnullfree.cocci Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com> Reviewed-by: Eddie James <eajames@linux.ibm.com> Link: https://lore.kernel.org/r/20220606131401.4053036-1-william.xuanziyang@huawei.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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.