[media] s5p-mfc: 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: NWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/platform/s5p-mfc/s5p_mfc.c

@@ -1168,10 +1168,6 @@ static int s5p_mfc_probe(struct platform_device *pdev)
 	dev->variant = mfc_get_drv_data(pdev);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (res == NULL) {
-		dev_err(&pdev->dev, "failed to get io resource\n");
-		return -ENOENT;
-	}
 	dev->regs_base = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(dev->regs_base))
 		return PTR_ERR(dev->regs_base);