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author | Sachin Kamat <sachin.kamat@linaro.org> | 2012-12-12 12:54:08 +0400 |
---|---|---|
committer | Inki Dae <inki.dae@samsung.com> | 2012-12-14 10:40:50 +0400 |
commit | 1a4513b344fe1361ccb4936cf2c0526693297c33 (patch) | |
tree | fe353387de00df5493d3ac7fba967e27977e7dc3 /drivers | |
parent | 65da03507735f288b2c6250def1f5142bf6d5667 (diff) | |
download | linux-1a4513b344fe1361ccb4936cf2c0526693297c33.tar.xz |
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')
-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 |