From e9f9690958b7fc86c4002c16cd2bdccba0dd07d1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
Date: Tue, 28 Mar 2017 15:11:52 +0200
Subject: [PATCH] conf: do not steal pointers from the pool source

Since commit fcbbb28 we steal the pointer to the storage pool
source name if there was no pool name specified.

Properly duplicate the string to avoid freeing it twice.

https://bugzilla.redhat.com/show_bug.cgi?id=1436400
---
 src/conf/storage_conf.c                       |  5 +++--
 .../pool-logical-noname.xml                   | 19 +++++++++++++++++++
 tests/storagepoolxml2xmltest.c                |  1 +
 3 files changed, 23 insertions(+), 2 deletions(-)
 create mode 100644 tests/storagepoolxml2xmlout/pool-logical-noname.xml

diff --git a/src/conf/storage_conf.c b/src/conf/storage_conf.c
index 585ca71aaf..fe0f0bcdc7 100644
--- a/src/conf/storage_conf.c
+++ b/src/conf/storage_conf.c
@@ -710,8 +710,9 @@ virStoragePoolDefParseXML(xmlXPathContextPtr ctxt)
 
     ret->name = virXPathString("string(./name)", ctxt);
     if (ret->name == NULL &&
-        options->flags & VIR_STORAGE_POOL_SOURCE_NAME)
-        ret->name = ret->source.name;
+        options->flags & VIR_STORAGE_POOL_SOURCE_NAME &&
+        VIR_STRDUP(ret->name, ret->source.name) < 0)
+        goto error;
     if (ret->name == NULL) {
         virReportError(VIR_ERR_XML_ERROR, "%s",
                        _("missing pool source name element"));
diff --git a/tests/storagepoolxml2xmlout/pool-logical-noname.xml b/tests/storagepoolxml2xmlout/pool-logical-noname.xml
new file mode 100644
index 0000000000..a5e0ead6d2
--- /dev/null
+++ b/tests/storagepoolxml2xmlout/pool-logical-noname.xml
@@ -0,0 +1,19 @@
+<pool type='logical'>
+  <name>zily</name>
+  <uuid>1c13165a-d0f4-3aee-b447-30fb38789091</uuid>
+  <capacity unit='bytes'>0</capacity>
+  <allocation unit='bytes'>0</allocation>
+  <available unit='bytes'>0</available>
+  <source>
+    <name>zily</name>
+    <format type='lvm2'/>
+  </source>
+  <target>
+    <path>/dev/zily</path>
+    <permissions>
+      <mode>0700</mode>
+      <owner>0</owner>
+      <group>0</group>
+    </permissions>
+  </target>
+</pool>
diff --git a/tests/storagepoolxml2xmltest.c b/tests/storagepoolxml2xmltest.c
index 79bdc26da5..355871c618 100644
--- a/tests/storagepoolxml2xmltest.c
+++ b/tests/storagepoolxml2xmltest.c
@@ -79,6 +79,7 @@ mymain(void)
     DO_TEST("pool-logical");
     DO_TEST("pool-logical-nopath");
     DO_TEST("pool-logical-create");
+    DO_TEST("pool-logical-noname");
     DO_TEST("pool-disk");
     DO_TEST("pool-disk-device-nopartsep");
     DO_TEST("pool-iscsi");
-- 
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