From b72de3ff19fdc4bbe4d4bb3f4483c7e46e00bac3 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sat, 7 Nov 2020 17:13:57 +0900 Subject: gpio: sifive: Fix SiFive gpio probe Fix the check on the number of IRQs to allow up to the maximum (32) instead of only the maximum minus one. Fixes: 96868dce644d ("gpio/sifive: Add GPIO driver for SiFive SoCs") Cc: stable@vger.kernel.org Signed-off-by: Damien Le Moal Link: https://lore.kernel.org/r/20201107081420.60325-10-damien.lemoal@wdc.com Signed-off-by: Linus Walleij --- drivers/gpio/gpio-sifive.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpio/gpio-sifive.c') diff --git a/drivers/gpio/gpio-sifive.c b/drivers/gpio/gpio-sifive.c index c54dd08f2cbf..d5eb9ca11901 100644 --- a/drivers/gpio/gpio-sifive.c +++ b/drivers/gpio/gpio-sifive.c @@ -183,7 +183,7 @@ static int sifive_gpio_probe(struct platform_device *pdev) return PTR_ERR(chip->regs); ngpio = of_irq_count(node); - if (ngpio >= SIFIVE_GPIO_MAX) { + if (ngpio > SIFIVE_GPIO_MAX) { dev_err(dev, "Too many GPIO interrupts (max=%d)\n", SIFIVE_GPIO_MAX); return -ENXIO; -- cgit v1.2.3