of_match_device could return NULL, and so cause a NULL pointer dereference later. Signed-off-by: Shailendra Verma <shailendra.v@xxxxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html