Commit 476d60b1 authored May 08, 2020 by Mattia Dongili Committed by Andy Shevchenko May 12, 2020

platform/x86: sony-laptop: Make resuming thermal profile safer

The thermal handle object may fail initialization when the module is
loaded in the first place. Avoid attempting to use it on resume then.

Fixes: 6d232b29 ("ACPICA: Dispatcher: always generate buffer objects for ASL create_field() operator")
Reported-by: Dominik Mierzejewski <dominik@greysector.net>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=207491

Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

parent 47828d22

drivers/platform/x86/sony-laptop.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -2288,7 +2288,12 @@ static void sony_nc_thermal_cleanup(struct platform_device *pd)
		#ifdef CONFIG_PM_SLEEP
		static void sony_nc_thermal_resume(void)
		{
		unsigned int status = sony_nc_thermal_mode_get();
		int status;

		if (!th_handle)
		return;

		status = sony_nc_thermal_mode_get();

		if (status != th_handle->mode)
		sony_nc_thermal_mode_set(th_handle->mode);