diff options
Diffstat (limited to 'sys/arch/sparc/dev/cgsix.c')
| -rw-r--r-- | sys/arch/sparc/dev/cgsix.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/arch/sparc/dev/cgsix.c b/sys/arch/sparc/dev/cgsix.c index 5b272697289..6721d9c5761 100644 --- a/sys/arch/sparc/dev/cgsix.c +++ b/sys/arch/sparc/dev/cgsix.c @@ -1,4 +1,4 @@ -/* $OpenBSD: cgsix.c,v 1.10 1997/12/23 21:43:19 chuck Exp $ */ +/* $OpenBSD: cgsix.c,v 1.11 1999/04/22 16:52:47 art Exp $ */ /* $NetBSD: cgsix.c,v 1.33 1997/08/07 19:12:30 pk Exp $ */ /* @@ -491,9 +491,15 @@ cgsixioctl(dev, cmd, data, flags, p) if ((u_int)p->size.x > 32 || (u_int)p->size.y > 32) return (EINVAL); count = p->size.y * 32 / NBBY; +#if defined(UVM) + if (!uvm_useracc(p->image, count, B_READ) || + !uvm_useracc(p->mask, count, B_READ)) + return (EFAULT); +#else if (!useracc(p->image, count, B_READ) || !useracc(p->mask, count, B_READ)) return (EFAULT); +#endif } /* parameters are OK; do it */ |