Commit ce2076ba authored by Dan Carpenter's avatar Dan Carpenter Committed by Linus Walleij
Browse files

pinctrl: nuvoton: wpcm450: off by one in wpcm450_gpio_register() 



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

Fixes: a1d1e0e3 ("pinctrl: nuvoton: Add driver for WPCM450")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: default avatarJonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20220318071131.GA29472@kili


Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 0bb85088

drivers/pinctrl/nuvoton/pinctrl-wpcm450.c

+1 −1
Original line number Diff line number Diff line
@@ -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);