diff options
Diffstat (limited to 'sys/arch/macppc/pci/vgafb.c')
| -rw-r--r-- | sys/arch/macppc/pci/vgafb.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/sys/arch/macppc/pci/vgafb.c b/sys/arch/macppc/pci/vgafb.c index c1a9f67f63f..3f0b981784b 100644 --- a/sys/arch/macppc/pci/vgafb.c +++ b/sys/arch/macppc/pci/vgafb.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vgafb.c,v 1.19 2002/09/15 09:01:59 deraadt Exp $ */ +/* $OpenBSD: vgafb.c,v 1.20 2002/11/09 22:51:46 miod Exp $ */ /* $NetBSD: vga.c,v 1.3 1996/12/02 22:24:54 cgd Exp $ */ /* @@ -491,18 +491,19 @@ vgafb_putcmap(vc, cm) { u_int index = cm->index; u_int count = cm->count; - int i; + u_int i; + int error; u_int8_t *r, *g, *b; if (index >= 256 || count > 256 - index) return EINVAL; - if (!uvm_useracc(cm->red, count, B_READ) || - !uvm_useracc(cm->green, count, B_READ) || - !uvm_useracc(cm->blue, count, B_READ)) - return EFAULT; - copyin(cm->red, &(vc->vc_cmap_red[index]), count); - copyin(cm->green, &(vc->vc_cmap_green[index]), count); - copyin(cm->blue, &(vc->vc_cmap_blue[index]), count); + + if ((error = copyin(cm->red, &vc->vc_cmap_red[index], count)) != 0) + return (error); + if ((error = copyin(cm->green, &vc->vc_cmap_green[index], count)) != 0) + return (error); + if ((error = copyin(cm->blue, &vc->vc_cmap_blue[index], count)) != 0) + return (error); r = &(vc->vc_cmap_red[index]); g = &(vc->vc_cmap_green[index]); |