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drm/exynos: hdmi: Fix potential NULL pointer dereference error

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This is an unlikely case. However to silence the following smatch error
add a NULL check:
drivers/gpu/drm/exynos/exynos_hdmi.c:2486 hdmi_probe()
error: potential NULL dereference 'match'.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Sachin Kamat 2012-12-12 14:24:08 +05:30 • committed by Inki Dae
parent 65da035077
commit 1a4513b344
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/exynos/exynos_hdmi.c
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@ -2502,6 +2502,8 @@ static int __devinit hdmi_probe(struct platform_device *pdev)
const struct of_device_id *match; const struct of_device_id *match;
match = of_match_node(of_match_ptr(hdmi_match_types), match = of_match_node(of_match_ptr(hdmi_match_types),
pdev->dev.of_node); pdev->dev.of_node);
if (match == NULL)
return -ENODEV;
hdata->type = (enum hdmi_type)match->data; hdata->type = (enum hdmi_type)match->data;
} else { } else {
hdata->type = (enum hdmi_type)platform_get_device_id hdata->type = (enum hdmi_type)platform_get_device_id