netdev - Re: [PATCH net-next] net: dsa: gswip: Fix return value check in gswip

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Message-Id: <20180917.080719.588392853959082460.davem@davemloft.net>
Date:   Mon, 17 Sep 2018 08:07:19 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     weiyongjun1@...wei.com
Cc:     andrew@...n.ch, vivien.didelot@...oirfairelinux.com,
        f.fainelli@...il.com, hauke@...ke-m.de, netdev@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH net-next] net: dsa: gswip: Fix return value check in
 gswip_probe()

From: Wei Yongjun <weiyongjun1@...wei.com>
Date: Sat, 15 Sep 2018 01:33:21 +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: 14fceff4771e ("net: dsa: Add Lantiq / Intel DSA driver for vrx200")
> Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>

Applied.