backlight: msi-laptop, msi-wmi: fix incomplete registration failure handling

Properly return backlight registration error to parent.
Mark struct backlight_ops as const.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Reviewed-by: Anisse Astier <anisse@astier.eu>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
This commit is contained in:
Bruno Prémont 2010-02-26 13:17:16 +01:00 committed by Richard Purdie
parent fa11de0a33
commit 28d85873cd

View File

@ -138,7 +138,7 @@ static int bl_set_status(struct backlight_device *bd)
return msi_wmi_set_block(0, backlight_map[bright]);
}
static struct backlight_ops msi_backlight_ops = {
static const struct backlight_ops msi_backlight_ops = {
.get_brightness = bl_get,
.update_status = bl_set_status,
};
@ -255,8 +255,10 @@ static int __init msi_wmi_init(void)
backlight = backlight_device_register(DRV_NAME, NULL, NULL,
&msi_backlight_ops,
&props);
if (IS_ERR(backlight))
if (IS_ERR(backlight)) {
err = PTR_ERR(backlight);
goto err_free_input;
}
err = bl_get(NULL);
if (err < 0)