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-rw-r--r--drivers/acpi/battery.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index cfdef4c1d097..b4580b2e8706 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -651,7 +651,7 @@ static LIST_HEAD(acpi_battery_list);
static LIST_HEAD(battery_hook_list);
static DEFINE_MUTEX(hook_mutex);
-void __battery_hook_unregister(struct acpi_battery_hook *hook, int lock)
+static void __battery_hook_unregister(struct acpi_battery_hook *hook, int lock)
{
struct acpi_battery *battery;
/*