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[src/trunk]: src/sys/arch/arm/omap avoid a crash when the display size is rep...
details: https://anonhg.NetBSD.org/src/rev/735e035f6ebb
branches: trunk
changeset: 764154:735e035f6ebb
user: ahoka <ahoka%NetBSD.org@localhost>
date: Tue Apr 12 18:10:15 2011 +0000
description:
avoid a crash when the display size is reported as 1x1
XXX this is hackish, it should be properly fixed instead
diffstat:
sys/arch/arm/omap/omapfb.c | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
diffs (30 lines):
diff -r 162b1ecd299a -r 735e035f6ebb sys/arch/arm/omap/omapfb.c
--- a/sys/arch/arm/omap/omapfb.c Tue Apr 12 18:09:11 2011 +0000
+++ b/sys/arch/arm/omap/omapfb.c Tue Apr 12 18:10:15 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: omapfb.c,v 1.1 2010/08/31 19:03:55 macallan Exp $ */
+/* $NetBSD: omapfb.c,v 1.2 2011/04/12 18:10:15 ahoka Exp $ */
/*
* Copyright (c) 2010 Michael Lorenz
@@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: omapfb.c,v 1.1 2010/08/31 19:03:55 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: omapfb.c,v 1.2 2011/04/12 18:10:15 ahoka Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -179,6 +179,11 @@
sc->sc_depth = 16;
sc->sc_stride = sc->sc_width << 1;
+ if (sc->sc_width == 1 || sc->sc_height == 1) {
+ aprint_error_dev(self, "bogus display size, not attaching\n");
+ return;
+ }
+
printf("%s: firmware set up %d x %d\n", device_xname(self),
sc->sc_width, sc->sc_height);
#if 0
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