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The kernel doc for gpio-aggregator configfs interface, which was recently added, states that users should not be able to create an aggregator with a name prefixed by "_sysfs" via configfs. However, it was found that this guard does not function as expected (thanks to Dan Carpenter for identifying and fixing the issue). Add a test case to verify the guard. Signed-off-by: Koichiro Den <koichiro.den@canonical.com> Link: https://lore.kernel.org/r/20250412150119.1461023-1-koichiro.den@canonical.com Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
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.