diff --git a/[refs] b/[refs]
index 4db83b10bfcc..ca1da90882fc 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: adba2a876c1c971980f9bb3c6c8e20c61490647b
+refs/heads/master: c8e773fa4f6a999a80d9fa3836f412e259ab6fa1
diff --git a/trunk/drivers/acpi/event.c b/trunk/drivers/acpi/event.c
index 5479dc0eeeec..abec1ca94cf4 100644
--- a/trunk/drivers/acpi/event.c
+++ b/trunk/drivers/acpi/event.c
@@ -110,7 +110,7 @@ static const struct file_operations acpi_system_event_ops = {
 #endif	/* CONFIG_ACPI_PROC_EVENT */
 
 /* ACPI notifier chain */
-BLOCKING_NOTIFIER_HEAD(acpi_chain_head);
+static BLOCKING_NOTIFIER_HEAD(acpi_chain_head);
 
 int acpi_notifier_call_chain(struct acpi_device *dev, u32 type, u32 data)
 {