From: Zhang Kun <[email protected]> The parameters of sh_pfc_enum_in_range() pinmux_range *r should be checked first for possible null ponter, especially when PINMUX_TYPE_FUNCTION as the pinmux_type was passed by sh_pfc_config_mux().
Signed-off-by: Zhang Kun <[email protected]> --- drivers/pinctrl/renesas/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pinctrl/renesas/core.c b/drivers/pinctrl/renesas/core.c index 2cc457279345..40bbc8366668 100644 --- a/drivers/pinctrl/renesas/core.c +++ b/drivers/pinctrl/renesas/core.c @@ -128,6 +128,9 @@ int sh_pfc_get_pin_index(struct sh_pfc *pfc, unsigned int pin) static int sh_pfc_enum_in_range(u16 enum_id, const struct pinmux_range *r) { + if (!r) + return 0; + if (enum_id < r->begin) return 0; -- 2.17.1
