mtd: nuc900_nand: remove redundant return value check of platform_get_resource()

Remove unneeded error handling on the result of a call
to platform_get_resource() when the value is passed to
devm_ioremap_resource().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

drivers/mtd/nand/nuc900_nand.c

@@ -268,9 +268,6 @@ static int nuc900_nand_probe(struct platform_device *pdev)
 	chip->ecc.mode		= NAND_ECC_SOFT;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENXIO;
-
 	nuc900_nand->reg = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(nuc900_nand->reg))
 		return PTR_ERR(nuc900_nand->reg);