netdev - Re: [PATCH] net: dsa: lan9303: correctly check return value of devm_gpiod_get

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Message-Id: <20171114.213522.969210371302346148.davem@davemloft.net>
Date:   Tue, 14 Nov 2017 21:35:22 +0900 (KST)
From:   David Miller <davem@...emloft.net>
To:     bianpan2016@....com
Cc:     andrew@...n.ch, vivien.didelot@...oirfairelinux.com,
        f.fainelli@...il.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] net: dsa: lan9303: correctly check return value of
 devm_gpiod_get_optional

From: Pan Bian <bianpan2016@....com>
Date: Sun, 12 Nov 2017 23:38:09 +0800

> Function devm_gpiod_get_optional() returns an ERR_PTR on failure. Its
> return value should not be validated by a NULL check. Instead, use IS_ERR.
> 
> Signed-off-by: Pan Bian <bianpan2016@....com>

Applied.