[PATCH] tegra-cec: fix cec_notifier_parse_hdmi_phandle return check

[Hans Verkuil]

cec_notifier_parse_hdmi_phandle returns an error pointer, not a NULL
pointer on error.

Fixes: 4d34c9267db7: ("media: tegra_cec: use new 
cec_notifier_parse_hdmi_phandle helper")
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
---
diff --git a/drivers/media/platform/tegra-cec/tegra_cec.c 
b/drivers/media/platform/tegra-cec/tegra_cec.c
index 7fb3a4fa07c1..447bdfbe5afe 100644
--- a/drivers/media/platform/tegra-cec/tegra_cec.c
+++ b/drivers/media/platform/tegra-cec/tegra_cec.c
@@ -334,8 +334,8 @@ static int tegra_cec_probe(struct platform_device *pdev)

        hdmi_dev = cec_notifier_parse_hdmi_phandle(&pdev->dev);

-       if (!hdmi_dev)
-               return -ENODEV;
+       if (IS_ERR(hdmi_dev))
+               return PTR_ERR(hdmi_dev);

        cec = devm_kzalloc(&pdev->dev, sizeof(struct tegra_cec), GFP_KERNEL);