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

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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: 6d232b29cf ("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>
This commit is contained in:
Mattia Dongili 2020-05-08 09:14:05 +09:00 committed by Andy Shevchenko
parent 47828d2253
commit 476d60b1b4
1 changed files with 6 additions and 1 deletions
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7
drivers/platform/x86/sony-laptop.c
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@ -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);