From 1a4513b344fe1361ccb4936cf2c0526693297c33 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 12 Dec 2012 14:24:08 +0530 Subject: [PATCH] drm/exynos: hdmi: Fix potential NULL pointer dereference error 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 Signed-off-by: Inki Dae --- drivers/gpu/drm/exynos/exynos_hdmi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index e009216e4a3c..2c46b6c0b82c 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -2502,6 +2502,8 @@ static int __devinit hdmi_probe(struct platform_device *pdev) const struct of_device_id *match; match = of_match_node(of_match_ptr(hdmi_match_types), pdev->dev.of_node); + if (match == NULL) + return -ENODEV; hdata->type = (enum hdmi_type)match->data; } else { hdata->type = (enum hdmi_type)platform_get_device_id -- 2.39.5