From cfcf951b9d16fcece8b28abe0dc19c0e2cbd0bba Mon Sep 17 00:00:00 2001 From: Hauke Petersen Date: Tue, 9 Feb 2016 16:22:25 +0100 Subject: [PATCH] cpu/kinetis_common: fixed null ptr ref in gpio.c --- cpu/kinetis_common/periph/gpio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/cpu/kinetis_common/periph/gpio.c b/cpu/kinetis_common/periph/gpio.c index 6407fd6c64..e612d7c482 100644 --- a/cpu/kinetis_common/periph/gpio.c +++ b/cpu/kinetis_common/periph/gpio.c @@ -326,12 +326,12 @@ void gpio_irq_enable(gpio_t dev) mutex_lock(&int_config_lock); /* Search for the given pin in the port's interrupt configuration */ LL_SEARCH_SCALAR(gpio_interrupts[_port_num(dev)], entry, pin, pin_number); - uint32_t irqc = entry->irqc; mutex_unlock(&int_config_lock); if (entry == NULL) { /* Pin has not been configured for interrupts */ return; } + uint32_t irqc = entry->irqc; port->PCR[pin_number] &= ~(PORT_PCR_IRQC_MASK); port->PCR[pin_number] |= irqc; }