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[2/2] drm/exynos: hdmi: Fix potential NULL pointer dereference error

Message ID 1355302448-21617-2-git-send-email-sachin.kamat@linaro.org
State Accepted
Headers show

Commit Message

Sachin Kamat Dec. 12, 2012, 8:54 a.m. UTC
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>
---
 drivers/gpu/drm/exynos/exynos_hdmi.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
diff mbox

Patch

diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index fdd353d..53244c2 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -2483,6 +2483,8 @@  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