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If we can't allocate an IRQ resource, fail in the attach routine.

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jlemon 2000-04-07 00:09:24 +00:00
parent 1e7296fbf7
commit e1128bd07d
1 changed files with 4 additions and 0 deletions
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4
sys/dev/ppbus/ppi.c
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@ -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,