diff options
| author |   shawn <shawn@openbsd.org> | 1996-08-15 01:51:08 +0000 |
|---|---|---|
| committer | shawn <shawn@openbsd.org> | 1996-08-15 01:51:08 +0000 |
| commit | e46025b7308eae54a3d66c4d7d46deab0f3923d7 (patch) | |
| tree | c6ce472340f869214fbf9147a486a78e02d6e662 /sys/dev/isa/isa.c | |
| parent | IMPORTANT FIX: arbitrary page could be removed during collapse. (diff) | |
| download | wireguard-openbsd-e46025b7308eae54a3d66c4d7d46deab0f3923d7.tar.xz wireguard-openbsd-e46025b7308eae54a3d66c4d7d46deab0f3923d7.zip | |
oops, forgot to exclude those unused extents before adding to map
Diffstat (limited to 'sys/dev/isa/isa.c')
| -rw-r--r-- | sys/dev/isa/isa.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/sys/dev/isa/isa.c b/sys/dev/isa/isa.c index c3c92971110..b4789eda854 100644 --- a/sys/dev/isa/isa.c +++ b/sys/dev/isa/isa.c @@ -1,4 +1,4 @@ -/* $OpenBSD: isa.c,v 1.12 1996/08/14 14:36:15 shawn Exp $ */ +/* $OpenBSD: isa.c,v 1.13 1996/08/15 01:51:08 shawn Exp $ */ /* $NetBSD: isa.c,v 1.85 1996/05/14 00:31:04 thorpej Exp $ */ /*- @@ -157,10 +157,14 @@ isascan(parent, match) struct isa_attach_args ia2 = ia; while ((*cf->cf_attach->ca_match)(parent, dev, &ia2) > 0) { - add_extent(io_map, ia.ia_iobase, ia.ia_iosize); - add_extent(mem_map, ia.ia_maddr, ia.ia_msize); - add_extent(irq_map, ia.ia_irq, 1); - add_extent(drq_map, ia.ia_drq, 1); + if (ia.ia_iobase > 0 && ia.ia_iosize > 0) + add_extent(io_map, ia.ia_iobase, ia.ia_iosize); + if (ia.ia_maddr > 0 && ia.ia_msize > 0) + add_extent(mem_map, ia.ia_maddr, ia.ia_msize); + if (ia.ia_irq > 0) + add_extent(irq_map, ia.ia_irq, 1); + if (ia.ia_drq > 0) + add_extent(drq_map, ia.ia_drq, 1); config_attach(parent, dev, &ia2, isaprint); dev = config_make_softc(parent, cf); ia2 = ia; @@ -170,10 +174,14 @@ isascan(parent, match) } if ((*cf->cf_attach->ca_match)(parent, dev, &ia) > 0) { - add_extent(io_map, ia.ia_iobase, ia.ia_iosize); - add_extent(mem_map, ia.ia_maddr, ia.ia_msize); - add_extent(irq_map, ia.ia_irq, 1); - add_extent(drq_map, ia.ia_drq, 1); + if (ia.ia_iobase > 0 && ia.ia_iosize > 0) + add_extent(io_map, ia.ia_iobase, ia.ia_iosize); + if (ia.ia_maddr > 0 && ia.ia_msize > 0) + add_extent(mem_map, ia.ia_maddr, ia.ia_msize); + if (ia.ia_irq > 0) + add_extent(irq_map, ia.ia_irq, 1); + if (ia.ia_drq > 0) + add_extent(drq_map, ia.ia_drq, 1); config_attach(parent, dev, &ia, isaprint); } else |