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Diffstat (limited to 'drivers/pinctrl/pinctrl-samsung.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-samsung.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-samsung.c b/drivers/pinctrl/pinctrl-samsung.c index dd108a94acf9..c660fa5071d7 100644 --- a/drivers/pinctrl/pinctrl-samsung.c +++ b/drivers/pinctrl/pinctrl-samsung.c @@ -391,6 +391,9 @@ static int samsung_pinconf_rw(struct pinctrl_dev *pctldev, unsigned int pin, return -EINVAL; } + if (!width) + return -EINVAL; + mask = (1 << width) - 1; shift = pin_offset * width; data = readl(reg_base + cfg_reg); |