diff options
-rw-r--r-- | sys/dev/sbus/spif.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/sys/dev/sbus/spif.c b/sys/dev/sbus/spif.c index 4c8496ba528..24d92cfda0b 100644 --- a/sys/dev/sbus/spif.c +++ b/sys/dev/sbus/spif.c @@ -1,4 +1,4 @@ -/* $OpenBSD: spif.c,v 1.1 2002/01/13 02:06:45 jason Exp $ */ +/* $OpenBSD: spif.c,v 1.2 2002/01/13 04:13:53 jason Exp $ */ /* * Copyright (c) 1999-2002 Jason L. Wright (jason@thought.net) @@ -174,14 +174,12 @@ spifattach(parent, self, aux) struct sbus_attach_args *sa = aux; if (sa->sa_nintr != 2) { - printf(": expected 2 interrupts, got %d\n", - sa->sa_nintr); + printf(": expected %d interrupts, got %d\n", 2, sa->sa_nintr); return; } if (sa->sa_nreg != 1) { - printf(": expected %d registers, got %d\n", - 1, sa->sa_nreg); + printf(": expected %d registers, got %d\n", 1, sa->sa_nreg); return; } @@ -196,45 +194,45 @@ spifattach(parent, self, aux) if (bus_space_subregion(sc->sc_bustag, sc->sc_regh, DTR_REG_OFFSET, DTR_REG_LEN, &sc->sc_dtrh) != 0) { printf(": can't map dtr regs\n"); - return; + goto fail_unmapregs; } if (bus_space_subregion(sc->sc_bustag, sc->sc_regh, STC_REG_OFFSET, STC_REG_LEN, &sc->sc_stch) != 0) { printf(": can't map dtr regs\n"); - return; + goto fail_unmapregs; } if (bus_space_subregion(sc->sc_bustag, sc->sc_regh, ISTC_REG_OFFSET, ISTC_REG_LEN, &sc->sc_istch) != 0) { printf(": can't map dtr regs\n"); - return; + goto fail_unmapregs; } if (bus_space_subregion(sc->sc_bustag, sc->sc_regh, PPC_REG_OFFSET, PPC_REG_LEN, &sc->sc_ppch) != 0) { printf(": can't map dtr regs\n"); - return; + goto fail_unmapregs; } sc->sc_ppcih = bus_intr_establish(sa->sa_bustag, sa->sa_intr[PARALLEL_INTR].sbi_pri, IPL_TTY, 0, spifppcintr, sc); if (sc->sc_ppcih == NULL) { printf(": failed to establish ppc interrupt\n"); - return; + goto fail_unmapregs; } sc->sc_stcih = bus_intr_establish(sa->sa_bustag, sa->sa_intr[SERIAL_INTR].sbi_pri, IPL_TTY, 0, spifstcintr, sc); if (sc->sc_stcih == NULL) { printf(": failed to establish stc interrupt\n"); - return; + goto fail_unmapregs; } sc->sc_softih = softintr_establish(IPL_TTY, spifsoftintr, sc); if (sc->sc_softih == NULL) { printf(": can't get soft intr\n"); - return; + goto fail_unmapregs; } sc->sc_node = sa->sa_node; @@ -277,6 +275,11 @@ spifattach(parent, self, aux) (void)config_found(self, sttymatch, NULL); (void)config_found(self, sbppmatch, NULL); + + return; + +fail_unmapregs: + bus_space_unmap(sa->sa_bustag, sc->sc_regh, sa->sa_reg[0].sbr_size); } int @@ -350,7 +353,7 @@ sttyopen(dev, flags, mode, p) sc = stty_cd.cd_devs[card]; csc = spif_cd.cd_devs[card]; - if (sc == NULL) + if (sc == NULL || csc == NULL) return (ENXIO); if (port >= sc->sc_nports) |