Author: loos
Date: Sat Dec 27 19:56:04 2014
New Revision: 276315
URL: https://svnweb.freebsd.org/changeset/base/276315
Log:
Fix a off-by-one bug.
Pointy hat to: loos
Modified:
head/sys/arm/ti/ti_gpio.c
Modified: head/sys/arm/ti/ti_gpio.c
==============================================================================
--- head/sys/arm/ti/ti_gpio.c Sat Dec 27 18:54:39 2014 (r276314)
+++ head/sys/arm/ti/ti_gpio.c Sat Dec 27 19:56:04 2014 (r276315)
@@ -334,7 +334,7 @@ static int
ti_gpio_valid_pin(struct ti_gpio_softc *sc, int pin)
{
- if (pin > sc->sc_maxpin ||
+ if (pin >= sc->sc_maxpin ||
TI_GPIO_BANK(pin) >= ti_max_gpio_banks() ||
sc->sc_mem_res[TI_GPIO_BANK(pin)] == NULL) {
return (EINVAL);
@@ -755,6 +755,7 @@ ti_gpio_attach(device_t dev)
sc->sc_dev = dev;
TI_GPIO_LOCK_INIT(sc);
ti_gpio_pin_max(dev, &sc->sc_maxpin);
+ sc->sc_maxpin++;
/* There are up to 6 different GPIO register sets located in different
* memory areas on the chip. The memory range should have been set for
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