mtd: sh_flctl: Add missing iounmap()

Add the unmapping for the error case and for the driver removal.
Signed-off-by: Bastian Hecht <hechtb@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

drivers/mtd/nand/sh_flctl.c

@@ -918,6 +918,7 @@ static int __devinit flctl_probe(struct platform_device *pdev)
 
 err_chip:
 	pm_runtime_disable(&pdev->dev);
+	iounmap(flctl->reg);
 err_iomap:
 	kfree(flctl);
 	return ret;
@@ -929,6 +930,7 @@ static int __devexit flctl_remove(struct platform_device *pdev)
 
 	nand_release(&flctl->mtd);
 	pm_runtime_disable(&pdev->dev);
+	iounmap(flctl->reg);
 	kfree(flctl);
 
 	return 0;