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When user get/set cur_state fails, it should be some negative error value instead of whatever returned by acpi_evaluate_object() or from acpi_execute_simple_method(). The return value from these apis is some positive values greater than 0. For example if AE_NOT_FOUND is returned it will be "5". In other ACPI drivers, -ENODEV is returned when ACPI_FAILURE(status) is true. Do the same thing here for thermal sysfs callbacks for get and set for failures. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@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 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.