[PATCH 4/5] media: ov2640: add a master clock for sensor

On Mon, Dec 8, 2014 at 9:29 AM, Josh Wu [off-list ref] wrote:

+       priv->master_clk = devm_clk_get(&client->dev, "xvclk");
+       if (IS_ERR(priv->master_clk))
+               return -EINVAL;

You should return PTR_ERR(priv->master_clk) instead.