diff options
| author | Sachin Kamat | 2012-12-12 09:54:08 +0100 |
|---|---|---|
| committer | Inki Dae | 2012-12-14 07:40:50 +0100 |
| commit | 1a4513b344fe1361ccb4936cf2c0526693297c33 (patch) | |
| tree | fe353387de00df5493d3ac7fba967e27977e7dc3 | |
| parent | drm/exynos: hdmi: Add CONFIG_OF and use of_match_ptr() macro (diff) | |
| download | kernel-qcow2-linux-1a4513b344fe1361ccb4936cf2c0526693297c33.tar.gz kernel-qcow2-linux-1a4513b344fe1361ccb4936cf2c0526693297c33.tar.xz kernel-qcow2-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>
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_hdmi.c | 2 |
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 |