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When executing "modprobe iTCO_wdt heartbeat=700", the user-specified 'heartbeat' parameter exceeds the valid range, the driver clamps the timeout to default 30s but fails to update the logged 'heartbeat' value, resulting in misleading log output: iTCO_wdt iTCO_wdt: timeout value out of range, using 30 iTCO_wdt iTCO_wdt: initialized. heartbeat=700 sec (nowayout=0) After validating the range, update the 'heartbeat' value with the clamped timeout value to ensure that log messages accurately reflect the actual runtime parameters. Signed-off-by: Ziyan Fu <fuzy5@lenovo.com> Reviewed-by: Wim Van Sebroeck <wim@linux-watchdog.org> Link: https://lore.kernel.org/r/20250429102533.11886-1-13281011316@163.com Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org> |
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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 reStructuredText 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.