Patch removes unneeded check for resource since
devm_ioremap_resource do all for us.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
        int ret;
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (!res)
-               return -EINVAL;
-
-       size = resource_size(res);
-
        virt_base = devm_ioremap_resource(&pdev->dev, res);
        if (IS_ERR(virt_base))
                return PTR_ERR(virt_base);
 
+       size = resource_size(res);
 
        sram = devm_kzalloc(&pdev->dev, sizeof(*sram), GFP_KERNEL);
        if (!sram)