diff options
| author |   miod <miod@openbsd.org> | 2006-12-30 19:15:30 +0000 |
|---|---|---|
| committer | miod <miod@openbsd.org> | 2006-12-30 19:15:30 +0000 |
| commit | 57be4ef357100aec2494092f7a77a10d59f12c39 (patch) | |
| tree | 37615dccdb8f1d57e2013b2b80f7cc0f4a9e72fd /sys/dev | |
| parent | In agp_i810_alloc_memory(), do not check for sc_maxmem limit reached, as the (diff) | |
| download | wireguard-openbsd-57be4ef357100aec2494092f7a77a10d59f12c39.tar.xz wireguard-openbsd-57be4ef357100aec2494092f7a77a10d59f12c39.zip | |
In agp_generic_alloc_memory(), make sure the age_mem structure freshly
malloc'ed is completely bzeroed before use.
ok deraadt@
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/pci/agp.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/sys/dev/pci/agp.c b/sys/dev/pci/agp.c index 776aab76f1a..91d764a933f 100644 --- a/sys/dev/pci/agp.c +++ b/sys/dev/pci/agp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: agp.c,v 1.1 2006/03/16 21:32:34 matthieu Exp $ */ +/* $OpenBSD: agp.c,v 1.2 2006/12/30 19:15:30 miod Exp $ */ /*- * Copyright (c) 2000 Doug Rabson * All rights reserved. @@ -474,6 +474,7 @@ agp_generic_alloc_memory(struct vga_pci_softc *sc, int type, vsize_t size) mem = malloc(sizeof *mem, M_DEVBUF, M_WAITOK); if (mem == NULL) return NULL; + bzero(mem, sizeof *mem); if (bus_dmamap_create(sc->sc_dmat, size, size / PAGE_SIZE + 1, size, 0, BUS_DMA_NOWAIT, &mem->am_dmamap) != 0) { @@ -483,10 +484,6 @@ agp_generic_alloc_memory(struct vga_pci_softc *sc, int type, vsize_t size) mem->am_id = sc->sc_nextid++; mem->am_size = size; - mem->am_type = 0; - mem->am_physical = 0; - mem->am_offset = 0; - mem->am_is_bound = 0; TAILQ_INSERT_TAIL(&sc->sc_memory, mem, am_link); sc->sc_allocated += size; |