From: Damien Le Moal Date: Sat, 7 Nov 2020 08:13:57 +0000 (+0900) Subject: gpio: sifive: Fix SiFive gpio probe X-Git-Tag: v5.9.9~35 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=02bae88e2c2df48da0407319f8161ca40cb01628;p=thirdparty%2Fkernel%2Fstable.git gpio: sifive: Fix SiFive gpio probe commit b72de3ff19fdc4bbe4d4bb3f4483c7e46e00bac3 upstream. 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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/gpio/gpio-sifive.c b/drivers/gpio/gpio-sifive.c index c54dd08f2cbfd..d5eb9ca119016 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;