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2bb596a7d2
software_node_register_node_group() / software_node_unregister_node_group() both accept a NULL node-group as argument. So there is no need to check for the node-group being NULL before calling these functions, remove the checks to simplify the code. Note the "if (gpio_button_swnodes)" check for registering is kept because that also guards the creation of a gpio-button platform-device. Suggested-by: Andy Shevchenko <andy@kernel.org> Signed-off-by: Hans de Goede <hansg@kernel.org> Reviewed-by: Andy Shevchenko <andy@kernel.org> Link: https://patch.msgid.link/20250920200713.20193-15-hansg@kernel.org Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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.