linux-kernel - Re: [PATCH 1/2] [media] V4L: atmel-isi: add code to enable/disable ISI

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Date:	Wed, 7 Dec 2011 08:49:58 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Josh Wu <josh.wu@...el.com>
Cc:	g.liakhovetski@....de, linux-media@...r.kernel.org,
	nicolas.ferre@...el.com, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/2] [media] V4L: atmel-isi: add code to enable/disable
	ISI_MCK clock

On Wed, Nov 30, 2011 at 06:06:43PM +0800, Josh Wu wrote:
> +	/* Get ISI_MCK, provided by programmable clock or external clock */
> +	isi->mck = clk_get(dev, "isi_mck");
> +	if (IS_ERR_OR_NULL(isi->mck)) {

This should be IS_ERR()

> +		dev_err(dev, "Failed to get isi_mck\n");
> +		ret = isi->mck ? PTR_ERR(isi->mck) : -EINVAL;

		ret = PTR_ERR(isi->mck);
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