diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2017-08-18 13:32:48 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2017-08-31 14:37:16 +0300 |
| commit | faaaba065298faeb62ea83cd3a1cc19764becab1 (patch) | |
| tree | 2ef9ba0084b489f43d094c144bcb6bb814faeb12 /drivers/pinctrl | |
| parent | 2c7710847c444d22e0dd7f843fdbf892304e1cae (diff) | |
| download | linux-faaaba065298faeb62ea83cd3a1cc19764becab1.tar.xz | |
pinctrl: rza1: off by one in rza1_parse_gpiochip()
The rza1_pctl->ports[] array has RZA1_NPORTS (12) elements. The > here
should be >= to prevent an out of bounds access.
Fixes: 5a49b644b307 ("pinctrl: Renesas RZ/A1 pin and gpio controller")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/pinctrl-rza1.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-rza1.c b/drivers/pinctrl/pinctrl-rza1.c index f75d6995c684..7fe5b373f58c 100644 --- a/drivers/pinctrl/pinctrl-rza1.c +++ b/drivers/pinctrl/pinctrl-rza1.c @@ -1088,7 +1088,7 @@ static int rza1_parse_gpiochip(struct rza1_pinctrl *rza1_pctl, */ pinctrl_base = of_args.args[1]; gpioport = RZA1_PIN_ID_TO_PORT(pinctrl_base); - if (gpioport > RZA1_NPORTS) { + if (gpioport >= RZA1_NPORTS) { dev_err(rza1_pctl->dev, "Invalid values in property %s\n", list_name); return -EINVAL; |