diff options
| author | anholt <anholt@FreeBSD.org> | 2003-11-11 21:49:18 +0000 |
|---|---|---|
| committer | anholt <anholt@FreeBSD.org> | 2003-11-11 21:49:18 +0000 |
| commit | a3bf20009f70eba5aa2a79bfd38c9363d624f530 (patch) | |
| tree | 6923eb476dc98a422a64974b7a37b8308fda7fc7 /sys/pci/agp_ali.c | |
| parent | 9cd493ccafa4a5de0ccf5fa52c5805372f51cd37 (diff) | |
| download | FreeBSD-src-a3bf20009f70eba5aa2a79bfd38c9363d624f530.zip FreeBSD-src-a3bf20009f70eba5aa2a79bfd38c9363d624f530.tar.gz | |
- Disable AGP on ALI chipsets if aperture size is 0.
- Fail in agp_alloc_gatt if the aperture size is 0 instead of panicing in
contigmalloc.
Reported by: Bjoern Fischer <bfischer@Techfak.Uni-Bielefeld.DE>
Reviewed by: jhb
MFC after: 1 week
Diffstat (limited to 'sys/pci/agp_ali.c')
| -rw-r--r-- | sys/pci/agp_ali.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/pci/agp_ali.c b/sys/pci/agp_ali.c index b9b2c13..fc99574 100644 --- a/sys/pci/agp_ali.c +++ b/sys/pci/agp_ali.c @@ -102,6 +102,10 @@ agp_ali_attach(device_t dev) return error; sc->initial_aperture = AGP_GET_APERTURE(dev); + if (sc->initial_aperture == 0) { + device_printf(dev, "bad initial aperture size, disabling\n"); + return ENXIO; + } for (;;) { gatt = agp_alloc_gatt(dev); |
