| Message ID | 20190323024434.14794-1-kjlu@umn.edu (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | input: pm8xxx-vibrator: fix a potential NULL pointer dereference | expand |
diff --git a/drivers/input/misc/pm8xxx-vibrator.c b/drivers/input/misc/pm8xxx-vibrator.c index 7dd1c1fbe42a..740e59c11808 100644 --- a/drivers/input/misc/pm8xxx-vibrator.c +++ b/drivers/input/misc/pm8xxx-vibrator.c @@ -196,6 +196,8 @@ static int pm8xxx_vib_probe(struct platform_device *pdev) vib->vib_input_dev = input_dev; regs = of_device_get_match_data(&pdev->dev); + if (unlikely(!regs)) + return -ENODEV; /* operate in manual mode */ error = regmap_read(vib->regmap, regs->drv_addr, &val);
In case of_device_get_match_data fails to find the matched data, returns -ENODEV Signed-off-by: Kangjie Lu <kjlu@umn.edu> --- drivers/input/misc/pm8xxx-vibrator.c | 2 ++ 1 file changed, 2 insertions(+)