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drm/exynos: check for null pointers in error handling 

Smatch error from arm build: drivers/gpu/drm/exynos/
exynos_hdmi.c:2374 hdmi_probe() error: potential NULL
dereference 'hdata->hdmiphy_port'.

Added check for hdata->hdmiphy_port that it is not NULL.

Signed-off-by: Paul Taysom <taysom@chromium.org>
Signed-off-by: Rahul Sharma <Rahul.Sharma@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Paul Taysom 2014-05-09 15:06:28 +09:00 committed by Inki Dae
parent 724fd140d5
commit b21a3bf441
1 changed files with 2 additions and 1 deletions
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1
drivers/gpu/drm/exynos/exynos_hdmi.c
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@ -2174,6 +2174,7 @@ static int hdmi_probe(struct platform_device *pdev)
return exynos_drm_component_add(&pdev->dev, &hdmi_component_ops);
err_hdmiphy:
if (hdata->hdmiphy_port)
put_device(&hdata->hdmiphy_port->dev);
err_ddc:
put_device(&hdata->ddc_adpt->dev);