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authorSachin Kamat <sachin.kamat@linaro.org>2012-12-12 14:24:08 +0530
committerInki Dae <inki.dae@samsung.com>2012-12-14 15:40:50 +0900
commit1a4513b344fe1361ccb4936cf2c0526693297c33 (patch)
treefe353387de00df5493d3ac7fba967e27977e7dc3 /drivers/gpu/drm
parent65da03507735f288b2c6250def1f5142bf6d5667 (diff)
downloadblackbird-op-linux-1a4513b344fe1361ccb4936cf2c0526693297c33.tar.gz
blackbird-op-linux-1a4513b344fe1361ccb4936cf2c0526693297c33.zip
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 <sachin.kamat@linaro.org> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/exynos/exynos_hdmi.c2
1 files changed, 2 insertions, 0 deletions
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
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