diff options
Diffstat (limited to 'sys/arch/sparc/dev/tcx.c')
| -rw-r--r-- | sys/arch/sparc/dev/tcx.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/arch/sparc/dev/tcx.c b/sys/arch/sparc/dev/tcx.c index 608fb4e64c0..a3c8fbfff8a 100644 --- a/sys/arch/sparc/dev/tcx.c +++ b/sys/arch/sparc/dev/tcx.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tcx.c,v 1.1 1997/08/08 08:25:31 downsj Exp $ */ +/* $OpenBSD: tcx.c,v 1.2 1998/11/20 15:57:24 deraadt Exp $ */ /* $NetBSD: tcx.c,v 1.8 1997/07/29 09:58:14 fair Exp $ */ /* @@ -470,6 +470,9 @@ tcxmmap(dev, off, prot) if (off & PGOFSET) panic("tcxmmap"); + if (off < 0) + return (-1); + /* * Entries with size 0 map video RAM (i.e., the size in fb data). * |