diff options
Diffstat (limited to 'sys/arch/mac68k/dev/grf.c')
| -rw-r--r-- | sys/arch/mac68k/dev/grf.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/arch/mac68k/dev/grf.c b/sys/arch/mac68k/dev/grf.c index 8e86c877e1f..694423e145d 100644 --- a/sys/arch/mac68k/dev/grf.c +++ b/sys/arch/mac68k/dev/grf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: grf.c,v 1.7 1997/03/12 13:36:57 briggs Exp $ */ +/* $OpenBSD: grf.c,v 1.8 1998/11/20 23:57:24 deraadt Exp $ */ /* $NetBSD: grf.c,v 1.41 1997/02/24 06:20:04 scottr Exp $ */ /* @@ -331,7 +331,7 @@ grfaddr(gp, off) register struct grfmode *gm = gp->sc_grfmode; u_long addr; - if (off < mac68k_round_page(gm->fbsize + gm->fboff)) { + if (off >= 0 && off < mac68k_round_page(gm->fbsize + gm->fboff)) { addr = (u_long)(*gp->sc_phys)(gp, (vm_offset_t)gm->fbbase)+off; return mac68k_btop(addr); } |