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Re: [PATCH v3] drm: bridge: add DesignWare HDMI I2S audio support

From Russell King - ARM Linux <linux@armlinux.org.uk>
Newsgroups linux.kernel
Subject Re: [PATCH v3] drm: bridge: add DesignWare HDMI I2S audio support
Date 2016-11-02 09:30 +0100
Message-ID <syZ5L-3QA-3@gated-at.bofh.it> (permalink)
References <syZ5L-3QA-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, Nov 02, 2016 at 01:18:35AM +0000, Kuninori Morimoto wrote:
> +	platform = platform_device_register_full(&pdevinfo);
> +	if (IS_ERR_OR_NULL(platform))
> +		return PTR_ERR(platform);

This is wrong.  If platform is NULL, PTR_ERR() will return zero, which
will be interpreted as success.  Please, avoid using IS_ERR_OR_NULL(),
it leads to exactly this kind of cockup - and it's unnecessary here
because platform_device_register_full() does not return NULL.

-- 
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.

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Re: [PATCH v3] drm: bridge: add DesignWare HDMI I2S audio support Russell King - ARM Linux <linux@armlinux.org.uk> - 2016-11-02 09:30 +0100
  Re: [PATCH v3] drm: bridge: add DesignWare HDMI I2S audio support Russell King - ARM Linux <linux@armlinux.org.uk> - 2016-11-07 16:00 +0100

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