From 3c1f71d54d487806d4dfde0421b43e95d3662ea5 Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mjw@redhat.com>
Date: Mon, 23 Feb 2009 18:23:41 +0100
Subject: Check whether a die has any children before iterating over it.

* tapsets.cxx (iterate_over_cu_labels): Check dwarf_child result.
---
 tapsets.cxx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'tapsets.cxx')

diff --git a/tapsets.cxx b/tapsets.cxx
index 78d5a5b3..5d9d062f 100644
--- a/tapsets.cxx
+++ b/tapsets.cxx
@@ -1330,7 +1330,10 @@ struct dwflpp
 
     const char * sym = label_val.c_str();
     Dwarf_Die die;
-    dwarf_child (cu, &die);
+    int res = dwarf_child (cu, &die);
+    if (res != 0)
+      return;  // die without children, bail out.
+
     static string function_name;
     do 
       {
-- 
cgit