From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
Date: Sat, 15 Sep 2018 01:33:50 +0000
> In case of error, the function devm_ioremap_resource() returns ERR_PTR()
> and never returns NULL. The NULL test in the return value check should
> be replaced with IS_ERR().
>
> Fixes: fe1a56420cf2 ("net: lantiq: Add Lantiq / Intel VRX200 Ethernet driver")
> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
Applied.
