diff options
| -rw-r--r-- | sys/powerpc/wii/wii_pic.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/powerpc/wii/wii_pic.c b/sys/powerpc/wii/wii_pic.c index e6c6ae4..07987c0 100644 --- a/sys/powerpc/wii/wii_pic.c +++ b/sys/powerpc/wii/wii_pic.c @@ -156,7 +156,10 @@ wiipic_dispatch(device_t dev, struct trapframe *tf) uint32_t irq; sc = device_get_softc(dev); - irq = ffs(wiipic_icr_read(sc) & wiipic_imr_read(sc)); + irq = wiipic_icr_read(sc) & wiipic_imr_read(sc); + if (irq == 0) + return; + irq = ffs(irq) - 1; KASSERT(irq < WIIPIC_NIRQ, ("bogus irq %d", irq)); powerpc_dispatch_intr(sc->sc_vector[irq], tf); } |
