flush kacpi_notify_wq before removing notify handler

Flush kacpi_notify_wq before notify handler is removed, this can fix a bug which the deferred notify handler is executed after the notify_handler has already been removed. http://bugzilla.kernel.org/show_bug.cgi?id=9772 Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>

flush kacpi_notify_wq before removing notify handler
Flush kacpi_notify_wq before notify handler is removed, this can fix a bug which the deferred notify handler is executed after the notify_handler has already been removed. http://bugzilla.kernel.org/show_bug.cgi?id=9772 Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Zhang Rui · Len Brown
1 parent a01e035ebb
Showing 1 changed file with 1 additions and 0 deletions Side-by-side Diff
drivers/acpi/osl.c
@@ -742,6 +742,7 @@
 void acpi_os_wait_events_complete(void *context)
 {
 	flush_workqueue(kacpid_wq);
+	flush_workqueue(kacpi_notify_wq);
 }
  
 EXPORT_SYMBOL(acpi_os_wait_events_complete);
...	...	@@ -742,6 +742,7 @@
742	742	void acpi_os_wait_events_complete(void *context)
743	743	{
744	744	flush_workqueue(kacpid_wq);
	745	+ flush_workqueue(kacpi_notify_wq);
745	746	}
746	747
747	748	EXPORT_SYMBOL(acpi_os_wait_events_complete);