diff options
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-stm32-exti.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c index 1145f064faa8..e2722e499ae5 100644 --- a/drivers/irqchip/irq-stm32-exti.c +++ b/drivers/irqchip/irq-stm32-exti.c @@ -713,6 +713,9 @@ static int stm32_exti_h_domain_alloc(struct irq_domain *dm, int bank; hwirq = fwspec->param[0]; + if (hwirq >= host_data->drv_data->bank_nr * IRQS_PER_BANK) + return -EINVAL; + bank = hwirq / IRQS_PER_BANK; chip_data = &host_data->chips_data[bank]; |