1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/acpi/cm_sbs.c b/drivers/acpi/cm_sbs.c
index a01ce6700bf..4a9b7bf6f44 100644
--- a/drivers/acpi/cm_sbs.c
+++ b/drivers/acpi/cm_sbs.c
@@ -67,7 +67,7 @@ void acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir_param)
                 lock_ac_dir_cnt--;
         if (lock_ac_dir_cnt == 0 && acpi_ac_dir_param && acpi_ac_dir) {
                 remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir);
-                acpi_ac_dir = 0;
+                acpi_ac_dir = NULL;
         }
         mutex_unlock(&cm_sbs_mutex);
 }
@@ -99,7 +99,7 @@ void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir_param)
         if (lock_battery_dir_cnt == 0 && acpi_battery_dir_param
             && acpi_battery_dir) {
                 remove_proc_entry(ACPI_BATTERY_CLASS, acpi_root_dir);
-                acpi_battery_dir = 0;
+                acpi_battery_dir = NULL;
         }
         mutex_unlock(&cm_sbs_mutex);
         return;