diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
index 21422b8e487bd7f01bb99cb35271843383a64cf7..76c2fe91a901dcd1f9b4154e3e31858a9f5e2a9a 100644
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -314,7 +314,7 @@ static int gpio_mockup_probe(struct platform_device *pdev)
 	if (rv)
 		return rv;
 
-	if (gpio_mockup_dbg_dir)
+	if (!IS_ERR_OR_NULL(gpio_mockup_dbg_dir))
 		gpio_mockup_debugfs_setup(dev, chip);
 
 	return 0;