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ACPI fix for 6.7-rc1

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Fix the acpi_thermal_add() error path that may do a double-free
 in some cases after recent changes (Dan Carpenter).
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Merge tag 'acpi-6.7-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fix from Rafael Wysocki:
 "Fix the acpi_thermal_add() error path that may do a double-free in
  some cases after recent changes (Dan Carpenter)"

* tag 'acpi-6.7-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: thermal: Fix acpi_thermal_unregister_thermal_zone() cleanup
This commit is contained in:
Linus Torvalds 2023-11-04 07:54:21 -10:00
commit 3062a9879a
1 changed files with 2 additions and 2 deletions
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4
drivers/acpi/thermal.c
View File

@ -702,9 +702,9 @@ unregister_tzd:
static void acpi_thermal_unregister_thermal_zone(struct acpi_thermal *tz) static void acpi_thermal_unregister_thermal_zone(struct acpi_thermal *tz)
{ {
thermal_zone_device_disable(tz->thermal_zone);
acpi_thermal_zone_sysfs_remove(tz); acpi_thermal_zone_sysfs_remove(tz);
thermal_zone_device_unregister(tz->thermal_zone); thermal_zone_device_unregister(tz->thermal_zone);
kfree(tz->trip_table);
tz->thermal_zone = NULL; tz->thermal_zone = NULL;
} }
@ -967,7 +967,7 @@ static void acpi_thermal_remove(struct acpi_device *device)
flush_workqueue(acpi_thermal_pm_queue); flush_workqueue(acpi_thermal_pm_queue);
acpi_thermal_unregister_thermal_zone(tz); acpi_thermal_unregister_thermal_zone(tz);
kfree(tz->trip_table);
acpi_thermal_free_thermal_zone(tz); acpi_thermal_free_thermal_zone(tz);
} }