[OpenBIOS] r564 - trunk/openbios-devel/modules
svn at openbios.org
svn at openbios.org
Sat Aug 22 08:03:20 CEST 2009
Author: blueswirl
Date: 2009-08-22 08:03:20 +0200 (Sat, 22 Aug 2009)
New Revision: 564
Modified:
trunk/openbios-devel/modules/console_common.c
Log:
Allow NULL string argument without accessing page zero.
Signed-off-by: Blue Swirl <blauwirbel at gmail.com>
Modified: trunk/openbios-devel/modules/console_common.c
===================================================================
--- trunk/openbios-devel/modules/console_common.c 2009-08-21 19:15:55 UTC (rev 563)
+++ trunk/openbios-devel/modules/console_common.c 2009-08-22 06:03:20 UTC (rev 564)
@@ -386,6 +386,10 @@
unsigned int y, x;
unsigned char ch;
+ if (!str) {
+ return 0;
+ }
+
if( !cons.inited && console_init() )
return -1;
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