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aeee7ad089
[ Upstream commit1cef8b5019] In the snippets like the following if (...) return / goto / break / continue ...; else ... the 'else' is redundant. Get rid of it. In case of IOCTLs use switch-case pattern that seems the usual in such cases. While at it, clarify necessity of else in gpiod_direction_output() by attaching else if to the closing curly brace on a previous line. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl> Stable-dep-of:533aae7c94("gpiolib: cdev: fix NULL-pointer dereferences") Signed-off-by: Sasha Levin <sashal@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.