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49e50aad22
The standard conditional pattern is to check for errors first and bail out if any. Refactor led_update_brightness() accordingly. While at it, drop unneeded assignment and return 0 unconditionally on success. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Denis Osterland-Heim <denis.osterland@diehl.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20231016153051.1409074-1-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones <lee@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.