diff options
| author |   fgsch <fgsch@openbsd.org> | 2007-10-28 14:17:19 +0000 |
|---|---|---|
| committer | fgsch <fgsch@openbsd.org> | 2007-10-28 14:17:19 +0000 |
| commit | e8cc67406e8b472be8470c70f41cb1748e613bff (patch) | |
| tree | a4e7d9f3a142ec53abd9873b86bcb6e6a7e5b320 | |
| parent | Remove the "frev" argument from nfs_rephead(); and clean up the "frev" (diff) | |
| download | wireguard-openbsd-e8cc67406e8b472be8470c70f41cb1748e613bff.tar.xz wireguard-openbsd-e8cc67406e8b472be8470c70f41cb1748e613bff.zip | |
fix the panic reported in pr/5602 by correctly unmaping the space on error.
disestablish the interrupt on error as well. krw@ comments and ok
tested by reporter via mikeb@
| -rw-r--r-- | sys/dev/pci/siop_pci_common.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/sys/dev/pci/siop_pci_common.c b/sys/dev/pci/siop_pci_common.c index 0c609bc34b3..03e6ab85cdc 100644 --- a/sys/dev/pci/siop_pci_common.c +++ b/sys/dev/pci/siop_pci_common.c @@ -1,4 +1,4 @@ -/* $OpenBSD: siop_pci_common.c,v 1.15 2006/04/20 20:31:12 miod Exp $ */ +/* $OpenBSD: siop_pci_common.c,v 1.16 2007/10/28 14:17:19 fgsch Exp $ */ /* $NetBSD: siop_pci_common.c,v 1.25 2005/06/28 00:28:42 thorpej Exp $ */ /* @@ -221,7 +221,7 @@ siop_pci_attach_common(struct siop_pci_common_softc *pci_sc, pcireg_t memtype; int memh_valid, ioh_valid; bus_addr_t ioaddr, memaddr; - bus_size_t memsize, iosize; + bus_size_t iosize, memsize, ramsize; pci_sc->sc_pp = siop_lookup_product(pa->pa_id, PCI_REVISION(pa->pa_class)); @@ -250,7 +250,7 @@ siop_pci_attach_common(struct siop_pci_common_softc *pci_sc, case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: memh_valid = (pci_mapreg_map(pa, 0x14, memtype, 0, - &memt, &memh, &memaddr, NULL, 0) == 0); + &memt, &memh, &memaddr, &memsize, 0) == 0); break; default: memh_valid = 0; @@ -274,8 +274,7 @@ siop_pci_attach_common(struct siop_pci_common_softc *pci_sc, if (pci_intr_map(pa, &intrhandle) != 0) { printf(": couldn't map interrupt\n"); - bus_space_unmap(siop_sc->sc_rt, siop_sc->sc_rh, iosize); - return 0; + goto out; } intrstr = pci_intr_string(pa->pa_pc, intrhandle); pci_sc->sc_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_BIO, @@ -288,8 +287,7 @@ siop_pci_attach_common(struct siop_pci_common_softc *pci_sc, if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); - bus_space_unmap(siop_sc->sc_rt, siop_sc->sc_rh, iosize); - return 0; + goto out; } if (siop_sc->features & SF_CHIP_RAM) { @@ -303,11 +301,11 @@ siop_pci_attach_common(struct siop_pci_common_softc *pci_sc, break; default: printf(": invalid memory type %d\n", memtype); - return 0; + goto out; } if (pci_mapreg_map(pa, bar, memtype, 0, &siop_sc->sc_ramt, &siop_sc->sc_ramh, - &siop_sc->sc_scriptaddr, &memsize, 0) == 0) { + &siop_sc->sc_scriptaddr, &ramsize, 0) == 0) { printf(", using %luK of on-board RAM", (u_long)memsize / 1024); } else { @@ -318,7 +316,18 @@ siop_pci_attach_common(struct siop_pci_common_softc *pci_sc, printf("\n"); - return 1; + return (1); + + out: + if (pci_sc->sc_ih) { + pci_intr_disestablish(pa->pa_pc, pci_sc->sc_ih); + pci_sc->sc_ih = NULL; + } + if (ioh_valid) + bus_space_unmap(iot, ioh, iosize); + if (memh_valid) + bus_space_unmap(memt, memh, memsize); + return (0); } void |