[src/trunk]: src/sys/arch/mac68k/dev Make sure we don't accidently pass an un...

[martin <martin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/56e8c5083d3c
branches:  trunk
changeset: 790691:56e8c5083d3c
user:      martin <martin%NetBSD.org@localhost>
date:      Sat Oct 19 16:19:13 2013 +0000

description:
Make sure we don't accidently pass an unsolicited packet as "ack only"
(which would dereference unitialized pointers)

diffstat:

 sys/arch/mac68k/dev/adb_direct.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (27 lines):

diff -r 8c78b49e2843 -r 56e8c5083d3c sys/arch/mac68k/dev/adb_direct.c
--- a/sys/arch/mac68k/dev/adb_direct.c  Sat Oct 19 15:59:15 2013 +0000
+++ b/sys/arch/mac68k/dev/adb_direct.c  Sat Oct 19 16:19:13 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: adb_direct.c,v 1.64 2013/10/18 18:38:49 martin Exp $   */
+/*     $NetBSD: adb_direct.c,v 1.65 2013/10/19 16:19:13 martin Exp $   */
 
 /* From: adb_direct.c 2.02 4/18/97 jpw */
 
@@ -62,7 +62,7 @@
 #ifdef __NetBSD__
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: adb_direct.c,v 1.64 2013/10/18 18:38:49 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: adb_direct.c,v 1.65 2013/10/19 16:19:13 martin Exp $");
 
 #include "opt_adb.h"
 
@@ -1693,6 +1693,8 @@
         * the caller sent us.
         */
        if (in->unsol) {
+               if (in->ack_only) panic("invalid ack-only pkg");
+
                adbInbound[adbInTail].compRout = (void *)block.dbServiceRtPtr;
                adbInbound[adbInTail].compData = (void *)block.dbDataAreaAddr;
                adbInbound[adbInTail].saveBuf = (void *)adbInbound[adbInTail].data;