| Message ID | d23767ad7152327654192d7191f4b8ae19493966.1640269510.git.geert+renesas@glider.be |
|---|---|
| State | Accepted |
| Commit | efe80cdfabe15b9d51d5eca8f88ab3a89b49a768 |
| Headers | show |
| Series | pinctrl: renesas: r8a7794: Add range checking to .pin_to_pocctrl() | expand |
diff --git a/drivers/pinctrl/renesas/pfc-r8a7794.c b/drivers/pinctrl/renesas/pfc-r8a7794.c index fbb5b3b68f349ac6..08a4269565e2e54a 100644 --- a/drivers/pinctrl/renesas/pfc-r8a7794.c +++ b/drivers/pinctrl/renesas/pfc-r8a7794.c @@ -5623,6 +5623,9 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = { static int r8a7794_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *pocctrl) { + if (pin < RCAR_GP_PIN(6, 0) || pin > RCAR_GP_PIN(6, 23)) + return -EINVAL; + *pocctrl = 0xe606006c; switch (pin & 0x1f) {
The .pin_to_pocctrl() implementation for R-Car E2 does not perform a full range check, unlike on all other SoCs. Add the range check, so the checker can validate better the consistency of the pin control tables. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> --- To be queued in renesas-pinctrl for v5.18. drivers/pinctrl/renesas/pfc-r8a7794.c | 3 +++ 1 file changed, 3 insertions(+)