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CID-1427771: Remove incorrect pre-condition (index cannot be 256!)

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This commit is contained in:
christos 2018-01-21 04:20:10 +00:00
parent 3ee7d4f783
commit 7dd2f08c6d
1 changed files with 3 additions and 4 deletions
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7
sys/dev/wsfb/genfb.c
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@ -1,4 +1,4 @@
/* $NetBSD: genfb.c,v 1.61 2017/06/01 02:45:12 chs Exp $ */
/* $NetBSD: genfb.c,v 1.62 2018/01/21 04:20:10 christos Exp $ */
/*-
* Copyright (c) 2007 Michael Lorenz
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: genfb.c,v 1.61 2017/06/01 02:45:12 chs Exp $");
__KERNEL_RCSID(0, "$NetBSD: genfb.c,v 1.62 2018/01/21 04:20:10 christos Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -611,8 +611,7 @@ genfb_putcmap(struct genfb_softc *sc, struct wsdisplay_cmap *cm)
#ifdef GENFB_DEBUG
aprint_debug("putcmap: %d %d\n",index, count);
#endif
if (cm->index >= 256 || cm->count > 256 ||
(cm->index + cm->count) > 256)
if (index + count > 256)
return EINVAL;
error = copyin(cm->red, &rbuf[index], count);
if (error)