| Message ID | 20180622114228.8619-1-matthias.bgg@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/input/keyboard/mtk-pmic-keys.c b/drivers/input/keyboard/mtk-pmic-keys.c index 02c67a1749fc..388043e1939c 100644 --- a/drivers/input/keyboard/mtk-pmic-keys.c +++ b/drivers/input/keyboard/mtk-pmic-keys.c @@ -257,6 +257,9 @@ static int mtk_pmic_keys_probe(struct platform_device *pdev) const struct of_device_id *of_id = of_match_device(of_mtk_pmic_keys_match_tbl, &pdev->dev); + if (of_id == NULL) + return -ENODEV; + keys = devm_kzalloc(&pdev->dev, sizeof(*keys), GFP_KERNEL); if (!keys) return -ENOMEM;
The drivers gets probed from a mfd devices. So the driver runs probe although no DT node exists. This leads to a NULL pointer dereference in the probe function. Check if a node exists and error out in case none is present. Fixes: 3e9f0b3e2b27 ("input: Add MediaTek PMIC keys support") Signed-off-by: Matthias Brugger <mbrugger@suse.com> --- drivers/input/keyboard/mtk-pmic-keys.c | 3 +++ 1 file changed, 3 insertions(+)