backlight_device_register() returns an ERR_PTR. It doesn't return NULL.
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index bf2629f..a53abe1 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -1088,7 +1088,7 @@ static struct backlight_device *sh_mobile_lcdc_bl_probe(struct device *parent,
bl = backlight_device_register(ch->cfg.bl_info.name, parent, ch,
&sh_mobile_lcdc_bl_ops, NULL);
- if (!bl) {
+ if (IS_ERR(bl)) {
dev_err(parent, "unable to register backlight device\n");
return NULL;
}
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