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>
diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c
index fb7ccaa..367caaa 100644
--- a/drivers/platform/x86/msi-wmi.c
+++ b/drivers/platform/x86/msi-wmi.c
@@ -138,7 +138,7 @@
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 @@
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)
