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1f2350443d
Notice that the second argument to acpi_ec_query() is redundant, because in the only case when it is not NULL, the value passed through it is only checked against 0 and it can only be 0 when acpi_ec_query() returns an error code, but its return value is checked along with the value passed through its second argument. Accordingly, modify acpi_ec_query() to take only one argument and while at it, change its handling of the case when acpi_ec_transaction() returns an error so as to return that error value to the caller right away. No expected functional impact. 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.