diff options
Diffstat (limited to 'drivers/platform/x86/classmate-laptop.c')
| -rw-r--r-- | drivers/platform/x86/classmate-laptop.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c index 6670ed8f9e5..c696cf1c261 100644 --- a/drivers/platform/x86/classmate-laptop.c +++ b/drivers/platform/x86/classmate-laptop.c @@ -455,7 +455,7 @@ static int cmpc_bl_update_status(struct backlight_device *bd) return -1; } -static struct backlight_ops cmpc_bl_ops = { +static const struct backlight_ops cmpc_bl_ops = { .get_brightness = cmpc_bl_get_brightness, .update_status = cmpc_bl_update_status }; @@ -469,6 +469,8 @@ static int cmpc_bl_add(struct acpi_device *acpi) props.max_brightness = 7; bd = backlight_device_register("cmpc_bl", &acpi->dev, acpi->handle, &cmpc_bl_ops, &props); + if (IS_ERR(bd)) + return PTR_ERR(bd); dev_set_drvdata(&acpi->dev, bd); return 0; } |