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Check the return value of bus_setup_intr() when setting up the

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over-temperature and power-fail interrupts.

Suggested by:	Coverity Prevent (CID 683)
MFC after:	1 week
This commit is contained in:
Marius Strobl 2007-01-15 22:37:59 +00:00
parent d69e0bb92e
commit c43ab0b9da
1 changed files with 12 additions and 10 deletions
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22
sys/sparc64/sbus/sbus.c
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@ -430,20 +430,22 @@ sbus_attach(device_t dev)
rid = 0;
mr = SYSIO_READ8(sc, SBR_THERM_INT_MAP);
vec = INTVEC(mr);
if ((sc->sc_ot_ires = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, vec,
vec, 1, RF_ACTIVE)) == NULL)
panic("%s: failed to get temperature interrupt", __func__);
bus_setup_intr(dev, sc->sc_ot_ires, INTR_TYPE_MISC | INTR_FAST,
sbus_overtemp, sc, &sc->sc_ot_ihand);
sc->sc_ot_ires = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, vec,
vec, 1, RF_ACTIVE);
if (sc->sc_ot_ires == NULL ||
bus_setup_intr(dev, sc->sc_ot_ires, INTR_TYPE_MISC | INTR_FAST,
sbus_overtemp, sc, &sc->sc_ot_ihand) != 0)
panic("%s: failed to set up temperature interrupt", __func__);
SYSIO_WRITE8(sc, SBR_THERM_INT_MAP, INTMAP_ENABLE(mr, PCPU_GET(mid)));
rid = 0;
mr = SYSIO_READ8(sc, SBR_POWER_INT_MAP);
vec = INTVEC(mr);
if ((sc->sc_pf_ires = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, vec,
vec, 1, RF_ACTIVE)) == NULL)
panic("%s: failed to get power fail interrupt", __func__);
bus_setup_intr(dev, sc->sc_pf_ires, INTR_TYPE_MISC | INTR_FAST,
sbus_pwrfail, sc, &sc->sc_pf_ihand);
sc->sc_pf_ires = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, vec,
vec, 1, RF_ACTIVE);
if (sc->sc_pf_ires == NULL ||
bus_setup_intr(dev, sc->sc_pf_ires, INTR_TYPE_MISC | INTR_FAST,
sbus_pwrfail, sc, &sc->sc_pf_ihand) != 0)
panic("%s: failed to set up power fail interrupt", __func__);
SYSIO_WRITE8(sc, SBR_POWER_INT_MAP, INTMAP_ENABLE(mr, PCPU_GET(mid)));
/* Initialize the counter-timer. */