4.9-stable review patch. If anyone has any objections, please let me know.
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From: Dan Carpenter dan.carpenter@oracle.com
[ Upstream commit f90a21c898db58eaea14b8ad7e9af3b9e15e5f8a ]
The > comparisons should be >= or else we read beyond the end of the pinctrl->functions[] array.
Fixes: cc4fa83f66e9 ("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 Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/pinctrl/bcm/pinctrl-nsp-mux.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/pinctrl/bcm/pinctrl-nsp-mux.c +++ b/drivers/pinctrl/bcm/pinctrl-nsp-mux.c @@ -460,8 +460,8 @@ static int nsp_pinmux_enable(struct pinc 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];