From 0e76d1fdf3e57e23f85a4194bc9dec476bcf26ae Mon Sep 17 00:00:00 2001
From: nealsid <nealsid@4c0a9323-5329-0410-9bdc-e9ce6186880e>
Date: Fri, 30 Oct 2009 23:30:39 +0000
Subject: [PATCH] Fix when walking stack when no module list is present and the
 return address has to be scanned.

http://breakpad.appspot.com/36002

R=doshimun
A=nealsid



git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@420 4c0a9323-5329-0410-9bdc-e9ce6186880e
---
 src/processor/stackwalker_x86.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/processor/stackwalker_x86.cc b/src/processor/stackwalker_x86.cc
index 4a7e811d..aeb18a9f 100644
--- a/src/processor/stackwalker_x86.cc
+++ b/src/processor/stackwalker_x86.cc
@@ -447,7 +447,7 @@ bool StackwalkerX86::ScanForReturnAddress(u_int32_t location_start,
     if (!memory_->GetMemoryAtAddress(location, &eip))
       break;
 
-    if (modules_->GetModuleForAddress(eip) &&
+    if (modules_ && modules_->GetModuleForAddress(eip) &&
         InstructionAddressSeemsValid(eip)) {
 
       eip_found = eip;