diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1998-11-20 23:57:25 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1998-11-20 23:57:25 +0000 |
| commit | fcccc2df555ee1b5b321a5bd24181c30337b92d4 (patch) | |
| tree | 2298611d5e221017871e49e8ddc2a86ca1c19a2c /sys/arch/mac68k/dev/asc.c | |
| parent | a96bf9709fbfeaf2af29399fe4c98f3db15ad681 (diff) | |
careful mmap
Diffstat (limited to 'sys/arch/mac68k/dev/asc.c')
| -rw-r--r-- | sys/arch/mac68k/dev/asc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/arch/mac68k/dev/asc.c b/sys/arch/mac68k/dev/asc.c index e28c325f1d7..5cd6ce22626 100644 --- a/sys/arch/mac68k/dev/asc.c +++ b/sys/arch/mac68k/dev/asc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: asc.c,v 1.7 1998/04/27 02:04:32 gene Exp $ */ +/* $OpenBSD: asc.c,v 1.8 1998/11/20 23:57:24 deraadt Exp $ */ /* $NetBSD: asc.c,v 1.20 1997/02/24 05:47:33 scottr Exp $ */ /* @@ -281,7 +281,7 @@ ascmmap(dev, off, prot) vm_offset_t pa; sc = asc_cd.cd_devs[unit]; - if (off < MAC68K_ASC_LEN) { + if (off >= 0 && off < MAC68K_ASC_LEN) { pa = pmap_extract(pmap_kernel(), (vm_offset_t)sc->sc_handle); return mac68k_btop(pa + off); } |