1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/acpi/toshiba_acpi.c b/drivers/acpi/toshiba_acpi.c
index 88aeccbafaaf..d9b651ffcdc0 100644
--- a/drivers/acpi/toshiba_acpi.c
+++ b/drivers/acpi/toshiba_acpi.c
@@ -321,13 +321,16 @@ static int set_lcd_status(struct backlight_device *bd)
 static unsigned long write_lcd(const char *buffer, unsigned long count)
 {
         int value;
-        int ret = count;
+        int ret;
 
         if (sscanf(buffer, " brightness : %i", &value) == 1 &&
-            value >= 0 && value < HCI_LCD_BRIGHTNESS_LEVELS)
+            value >= 0 && value < HCI_LCD_BRIGHTNESS_LEVELS) {
                 ret = set_lcd(value);
-        else
+                if (ret == 0)
+                        ret = count;
+        } else {
                 ret = -EINVAL;
+        }
         return ret;
 }