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pinctrl: nsp: off by ones in nsp_pinmux_enable()

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The > comparisons should be >= or else we read beyond the end of the
pinctrl->functions[] array.

Fixes: cc4fa83f66 ("pinctrl: nsp: add pinmux driver support for Broadcom NSP SoC")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Dan Carpenter 2018-07-03 15:04:25 +03:00 committed by Linus Walleij
parent 550b6f7e8c
commit f90a21c898
1 changed files with 2 additions and 2 deletions
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4
drivers/pinctrl/bcm/pinctrl-nsp-mux.c
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@ -460,8 +460,8 @@ static int nsp_pinmux_enable(struct pinctrl_dev *pctrl_dev,
const struct nsp_pin_function *func;
const struct nsp_pin_group *grp;
if (grp_select > pinctrl->num_groups ||
func_select > pinctrl->num_functions)
if (grp_select >= pinctrl->num_groups ||
func_select >= pinctrl->num_functions)
return -EINVAL;
func = &pinctrl->functions[func_select];