drivers for 4.16

- use PTR_ERR_OR_ZERO were relevant in at91_cf
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Merge tag 'at91-ab-4.16-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into next/drivers

drivers for 4.16

 - use PTR_ERR_OR_ZERO were relevant in at91_cf

* tag 'at91-ab-4.16-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  pcmcia: at91_cf: Use PTR_ERR_OR_ZERO()

Signed-off-by: Olof Johansson <olof@lixom.net>

drivers/pcmcia/at91_cf.c

@@ -236,10 +236,8 @@ static int at91_cf_dt_init(struct platform_device *pdev)
 	pdev->dev.platform_data = board;
 
 	mc = syscon_regmap_lookup_by_compatible("atmel,at91rm9200-sdramc");
-	if (IS_ERR(mc))
-		return PTR_ERR(mc);
 
-	return 0;
+	return PTR_ERR_OR_ZERO(mc);
 }
 #else
 static int at91_cf_dt_init(struct platform_device *pdev)