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From: Nathan Whitehorn <nwhitehorn@FreeBSD.org>
Date: Sat, 21 Nov 2009 16:16:31 +0000 (UTC)
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Subject: svn commit: r199636 - projects/ppc64/sys/powerpc/mambo
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Author: nwhitehorn
Date: Sat Nov 21 16:16:30 2009
New Revision: 199636
URL: http://svn.freebsd.org/changeset/base/199636

Log:
  Add another check on the return value from reading the Mambo console.

Modified:
  projects/ppc64/sys/powerpc/mambo/mambo_console.c

Modified: projects/ppc64/sys/powerpc/mambo/mambo_console.c
==============================================================================
--- projects/ppc64/sys/powerpc/mambo/mambo_console.c	Sat Nov 21 15:04:01 2009	(r199635)
+++ projects/ppc64/sys/powerpc/mambo/mambo_console.c	Sat Nov 21 16:16:30 2009	(r199636)
@@ -157,7 +157,7 @@ mambo_cngetc(struct consdev *cp)
 
 	ch = mambocall(MAMBO_CONSOLE_READ);
 
-	if (ch > 0) {
+	if (ch > 0 && ch < 0xff) {
 #if defined(KDB) && defined(ALT_BREAK_TO_DEBUGGER)
 		int kdb_brk;