diff options
| author | Brian Masney <masneyb@onstation.org> | 2019-02-13 20:36:41 -0500 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2019-02-14 10:03:04 +0100 |
| commit | 79890c2ec4860c3b715f89248c51abcc76a1fa39 (patch) | |
| tree | d90d8d1e9198ba847a0415253cf7a5071f782d4b /drivers/pinctrl | |
| parent | de744e01aa3af421470eb9725574e3cbce319053 (diff) | |
| download | linux-79890c2ec4860c3b715f89248c51abcc76a1fa39.tar.bz2 | |
qcom: ssbi-gpio: correct boundary conditions in pm8xxx_domain_translate
SSBI GPIOs are numbered 1..ngpio, so the boundary check in
pm8xxx_domain_translate() is off by one. This patch corrects that check.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c index 84a232450000..08dd62b5cebe 100644 --- a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c +++ b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c @@ -710,7 +710,8 @@ static int pm8xxx_domain_translate(struct irq_domain *domain, struct pm8xxx_gpio *pctrl = container_of(domain->host_data, struct pm8xxx_gpio, chip); - if (fwspec->param_count != 2 || fwspec->param[0] >= pctrl->chip.ngpio) + if (fwspec->param_count != 2 || fwspec->param[0] < 1 || + fwspec->param[0] > pctrl->chip.ngpio) return -EINVAL; *hwirq = fwspec->param[0] - PM8XXX_GPIO_PHYSICAL_OFFSET; |