From: Ulrich Drepper <drepper@redhat.com>
Date: Wed, 17 May 2006 05:28:36 +0000 (+0000)
Subject: Don't crash if ->modules is NULL.
X-Git-Tag: elfutils-0.121~28
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a1690688cee19199afb1fb44da4546750be622cc;p=thirdparty%2Felfutils.git

Don't crash if ->modules is NULL.
---

diff --git a/libdwfl/ChangeLog b/libdwfl/ChangeLog
index 1f75d6bf9..d78194aab 100644
--- a/libdwfl/ChangeLog
+++ b/libdwfl/ChangeLog
@@ -1,3 +1,8 @@
+2006-05-16  Ulrich Drepper  <drepper@redhat.com>
+
+	* dwfl_addrmodule.c (dwfl_addrmodule): Also return NULL of
+	->modules is NULL.
+
 2006-02-26  Roland McGrath  <roland@redhat.com>
 
 	* dwfl_version.c: New file.
diff --git a/libdwfl/dwfl_addrmodule.c b/libdwfl/dwfl_addrmodule.c
index bd95a87fa..98c4b39fd 100644
--- a/libdwfl/dwfl_addrmodule.c
+++ b/libdwfl/dwfl_addrmodule.c
@@ -1,5 +1,5 @@
 /* Find module containing address.
-   Copyright (C) 2005 Red Hat, Inc.
+   Copyright (C) 2005, 2006 Red Hat, Inc.
    This file is part of Red Hat elfutils.
 
    Red Hat elfutils is free software; you can redistribute it and/or modify
@@ -52,7 +52,7 @@
 Dwfl_Module *
 dwfl_addrmodule (Dwfl *dwfl, Dwarf_Addr address)
 {
-  if (dwfl == NULL)
+  if (dwfl == NULL || dwfl->modules == NULL)
     return NULL;
 
   /* Do binary search on the array indexed by module load address.  */