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Subject[PATCH] Input: tegra-kbc - Fix possible NULL derefrence.
Date
of_match_device could return NULL, and so cause a NULL pointer
dereference later.

Signed-off-by: Shailendra Verma <shailendra.v@samsung.com>
---
drivers/input/keyboard/tegra-kbc.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c
index 0c07e10..1f213ba 100644
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -617,6 +617,11 @@ static int tegra_kbc_probe(struct platform_device *pdev)
const struct of_device_id *match;

match = of_match_device(tegra_kbc_of_match, &pdev->dev);
+
+ if (!match) {
+ dev_err(&pdev->dev, "Error: No device match found\n");
+ return -ENODEV;
+ }

kbc = devm_kzalloc(&pdev->dev, sizeof(*kbc), GFP_KERNEL);
if (!kbc) {
--
1.7.9.5
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