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commit 1311a8f0d4b23f58bbababa13623aa40b8ad4e0c upstream. When mc146818_avoid_UIP() fails to return a valid value, this is because UIP didn't clear in the timeout period. Adjust the return code in this case to -ETIMEDOUT. Tested-by: Mateusz Jończyk <mat.jonczyk@o2.pl> Reviewed-by: Mateusz Jończyk <mat.jonczyk@o2.pl> Acked-by: Mateusz Jończyk <mat.jonczyk@o2.pl> Cc: <stable@vger.kernel.org> Fixes:cdedc45c57("rtc: cmos: avoid UIP when reading alarm time") Fixes:cd17420ebe("rtc: cmos: avoid UIP when writing alarm time") Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://lore.kernel.org/r/20231128053653.101798-3-mario.limonciello@amd.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.