of_match_device could return NULL, and so can cause a NULL
pointer dereference later.
Signed-off-by: Shailendra Verma <shailendra.v@xxxxxxxxxxx>
---
drivers/gpu/drm/tegra/sor.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c
index 74d0540..34f032f 100644
--- a/drivers/gpu/drm/tegra/sor.c
+++ b/drivers/gpu/drm/tegra/sor.c
@@ -2540,6 +2540,10 @@ static int tegra_sor_probe(struct platform_device *pdev)
int err;
match = of_match_device(tegra_sor_of_match, &pdev->dev);
+ if (!match) {
+ dev_err(&pdev->dev, "Error: No device match found\n");
+ return -ENODEV;
+ }
sor = devm_kzalloc(&pdev->dev, sizeof(*sor), GFP_KERNEL);
if (!sor)
--
1.7.9.5
--
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