Re: [PATCH] net: dsa: lan9303: correctly check return value of devm_gpiod_get_optional

From: Andrew Lunn
Date: Sun Nov 12 2017 - 13:29:39 EST


On Sun, Nov 12, 2017 at 11:38:09PM +0800, Pan Bian wrote:
> 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@xxxxxxx>

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

Andrew