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

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

Fixes: a1d1e0e3d8 ("pinctrl: nuvoton: Add driver for WPCM450")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20220318071131.GA29472@kili
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Dan Carpenter
2022-03-18 10:11:31 +03:00
committed by Linus Walleij
parent 0bb850887c
commit ce2076ba20
1 changed files with 1 additions and 1 deletions
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2
drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
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@@ -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);