From e78694173c904b7a03d3dab8cf686a4d8f9380d4 Mon Sep 17 00:00:00 2001
From: Rafael Garcia-Suarez <rgarciasuarez@mandriva.org>
Date: Mon, 13 Mar 2006 15:56:02 +0000
Subject: Protection when no data is passed to transaction callbacks

---
 URPM.xs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/URPM.xs b/URPM.xs
index dfe3c85..5429256 100644
--- a/URPM.xs
+++ b/URPM.xs
@@ -1274,6 +1274,9 @@ static void *rpmRunTransactions_callback(const void *h,
   char *callback_type = NULL;
   char *callback_subtype = NULL;
 
+  if (!td)
+    return NULL;
+
   switch (what) {
     case RPMCALLBACK_INST_OPEN_FILE:
       callback = td->callback_open;
-- 
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