Module Name:    src
Committed By:   cegger
Date:           Wed May  9 13:58:09 UTC 2012

Modified Files:
        src/sys/arch/x86/x86: cpu_ucode_amd.c

Log Message:
fix crash when booting with -x.


To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/sys/arch/x86/x86/cpu_ucode_amd.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/arch/x86/x86/cpu_ucode_amd.c
diff -u src/sys/arch/x86/x86/cpu_ucode_amd.c:1.1 src/sys/arch/x86/x86/cpu_ucode_amd.c:1.2
--- src/sys/arch/x86/x86/cpu_ucode_amd.c:1.1	Fri Jan 13 16:05:15 2012
+++ src/sys/arch/x86/x86/cpu_ucode_amd.c	Wed May  9 13:58:09 2012
@@ -1,4 +1,4 @@
-/* $NetBSD: cpu_ucode_amd.c,v 1.1 2012/01/13 16:05:15 cegger Exp $ */
+/* $NetBSD: cpu_ucode_amd.c,v 1.2 2012/05/09 13:58:09 cegger Exp $ */
 /*
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -29,7 +29,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cpu_ucode_amd.c,v 1.1 2012/01/13 16:05:15 cegger Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cpu_ucode_amd.c,v 1.2 2012/05/09 13:58:09 cegger Exp $");
 
 #include "opt_xen.h"
 #include "opt_cpu_ucode.h"
@@ -168,7 +168,7 @@ cpu_apply_cb(void *arg0, void *arg1)
 
 		hdr = (struct microcode_amd_header *)mc_amd.mpb;
 		if (hdr->ah_processor_rev_id != mc.mc_equiv_cpuid) {
-			aprint_debug_dev(dev, "ucode: patch does not"
+			aprint_debug_dev(dev, "ucode: patch does not "
 			    "match this cpu "
 			    "(patch is for cpu id %x, cpu id is %x)\n",
 			    hdr->ah_processor_rev_id, mc.mc_equiv_cpuid);
@@ -196,6 +196,8 @@ cpu_apply_cb(void *arg0, void *arg1)
 		}
 
 next:
+		if (mc.mc_mpbuf == NULL)
+			break;
 		mc.mc_buf += mc.mc_mpbuf->mpb_len +
 		    sizeof(mc.mc_mpbuf->mpb_type) +
 		    sizeof(mc.mc_mpbuf->mpb_len);

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