[PATCH] pinctrl: nuvoton: wpcm450: off by one in wpcm450_gpio_register()

[Dan Carpenter <dan.carpenter@xxxxxxxxxx>]

The > WPCM450_NUM_BANKS should be >= or it leads to an out of bounds
access on the next line.

Fixes: a1d1e0e3d80a ("pinctrl: nuvoton: Add driver for WPCM450")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 drivers/pinctrl/nuvoton/pinctrl-wpcm450.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c b/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
index 661aa963e3fc..164d7a6e7b5b 100644
--- a/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
+++ b/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
@@ -1043,7 +1043,7 @@ static int wpcm450_gpio_register(struct platform_device *pdev,
 		gpio = &pctrl->gpio_bank[reg];
 		gpio->pctrl = pctrl;
 
-		if (reg > WPCM450_NUM_BANKS)
+		if (reg >= WPCM450_NUM_BANKS)
 			return dev_err_probe(dev, -EINVAL,
 					     "GPIO index %d out of range!\n", reg);
 
-- 
2.20.1