The of_parse_phandle() function returns NULL on error.  It never returns
error pointers.  Update the check accordingly.
Fixes: 70721089985c ("media: nuvoton: Add driver for NPCM video capture and encoding engine")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
        void __iomem *regs;
 
        ece_node = of_parse_phandle(video->dev->of_node, "nuvoton,ece", 0);
-       if (IS_ERR(ece_node)) {
+       if (!ece_node) {
                dev_err(dev, "Failed to get ECE phandle in DTS\n");
-               return PTR_ERR(ece_node);
+               return -ENODEV;
        }
 
        video->ece.enable = of_device_is_available(ece_node);