diff options
| -rw-r--r-- | sys/dev/ppbus/ppi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/dev/ppbus/ppi.c b/sys/dev/ppbus/ppi.c index 2015fce..971d317 100644 --- a/sys/dev/ppbus/ppi.c +++ b/sys/dev/ppbus/ppi.c @@ -173,6 +173,10 @@ ppi_attach(device_t dev) /* declare our interrupt handler */ ppi->intr_resource = bus_alloc_resource(dev, SYS_RES_IRQ, &zero, irq, irq, 1, RF_ACTIVE); + if (ppi->intr_resource == NULL) { + device_printf(dev, "can't allocate irq\n"); + return (ENOMEM); + } make_dev(&ppi_cdevsw, device_get_unit(dev), /* XXX cleanup */ UID_ROOT, GID_WHEEL, |
