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ACPICA: Events: Cleanup of resetting the GPE handler to NULL before removing 

ACPICA commit b2b18bb38045404e253f10787b8a4ae6e94cdee6

This patch prevents acpi_remove_gpe_handler() from leaking the stale
gpe_event_info->Dispatch.Handler to the caller to avoid possible NULL pointer
references. Lv Zheng.

Link: https://github.com/acpica/acpica/commit/b2b18bb3
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lv Zheng 2015-02-05 15:20:14 +08:00 committed by Rafael J. Wysocki
parent b7be6883c7
commit c539251e7c
1 changed files with 1 additions and 0 deletions
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drivers/acpi/acpica/evxface.c
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@ -896,6 +896,7 @@ acpi_remove_gpe_handler(acpi_handle gpe_device,
/* Remove the handler */
handler = gpe_event_info->dispatch.handler;
gpe_event_info->dispatch.handler = NULL;
/* Restore Method node (if any), set dispatch flags */