From f5009405f504c5037fa3d869f9d1241029122078 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
Date: Tue, 25 Jun 2013 15:10:27 +0200
Subject: [PATCH] virsh: edit: don't leak XML string on reedit or redefine

Free the old XML strings before overwriting them if the user
has chosen to reedit the file or force the redefinition.

Found by Alex Jia trying to reproduce another bug:
https://bugzilla.redhat.com/show_bug.cgi?id=977430#c3
(cherry picked from commit 1e3a252974c8e5c650f1d84dc2b167f0ae8cee3c)
---
 tools/virsh-edit.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/virsh-edit.c b/tools/virsh-edit.c
index 61008a90a7..44759e4dd2 100644
--- a/tools/virsh-edit.c
+++ b/tools/virsh-edit.c
@@ -86,6 +86,7 @@ reedit:
         goto edit_cleanup;
 
     /* Read back the edited file. */
+    VIR_FREE(doc_edited);
     doc_edited = vshEditReadBackFile(ctl, tmp);
     if (!doc_edited)
         goto edit_cleanup;
@@ -102,6 +103,7 @@ redefine:
      * it was being edited?  This also catches problems such as us
      * losing a connection or the object going away.
      */
+    VIR_FREE(doc_reread);
     doc_reread = (EDIT_GET_XML);
     if (!doc_reread)
         goto edit_cleanup;