Messages in this thread Patch in this message | | | From | Shailendra Verma <> | Subject | [PATCH] Input: tegra-kbc - Fix possible NULL derefrence. | Date | Fri, 27 Jan 2017 16:12:36 +0530 |
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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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