[libvirt] [PATCH 1/3] maint: treat more libxml2 functions as free-like

[Eric Blake]

* cfg.mk (useless_free_options): Add xmlFreeDoc, xmlBufferFree.
* src/esx/esx_vi.c (ESX_VI__TEMPLATE__FREE): Fix offenders.
* tools/virsh.c (cmdFreecell, cmdVNCDisplay, cmdTTYConsole)
(cmdDetachInterface, cmdDetachDisk, cmdSnapshotCreate)
(cmdSnapshotCreateAs, cmdSnapshotList, cmdSnapshotParent):
Likewise.
---
 cfg.mk           |    2 ++
 src/esx/esx_vi.c |    4 +---
 tools/virsh.c    |   36 ++++++++++++------------------------
 3 files changed, 15 insertions(+), 27 deletions(-)

diff --git a/cfg.mk b/cfg.mk
index 2eb73e6..9f1f6c5 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -165,7 +165,9 @@ useless_free_options =				\
   --name=virStoragePoolSourceFree		\
   --name=virStorageVolDefFree			\
   --name=virThreadPoolFree			\
+  --name=xmlBufferFree				\
   --name=xmlFree				\
+  --name=xmlFreeDoc				\
   --name=xmlXPathFreeContext			\
   --name=xmlXPathFreeObject

diff --git a/src/esx/esx_vi.c b/src/esx/esx_vi.c
index 64e5b73..c82094b 100644
--- a/src/esx/esx_vi.c
+++ b/src/esx/esx_vi.c
@@ -1074,9 +1074,7 @@ ESX_VI__TEMPLATE__FREE(Response,
 {
     VIR_FREE(item->content);

-    if (item->document != NULL) {
-        xmlFreeDoc(item->document);
-    }
+    xmlFreeDoc(item->document);
 })


diff --git a/tools/virsh.c b/tools/virsh.c
index f1eb4ca..c43de4c 100644
--- a/tools/virsh.c
+++ b/tools/virsh.c
@@ -2971,8 +2971,7 @@ cmdFreecell(vshControl *ctl, const vshCmd *cmd)

 cleanup:
     xmlXPathFreeContext(ctxt);
-    if (xml)
-        xmlFreeDoc(xml);
+    xmlFreeDoc(xml);
     VIR_FREE(nodes);
     VIR_FREE(nodes_free);
     VIR_FREE(nodes_id);
@@ -10234,8 +10233,7 @@ cmdVNCDisplay(vshControl *ctl, const vshCmd *cmd)
  cleanup:
     xmlXPathFreeObject(obj);
     xmlXPathFreeContext(ctxt);
-    if (xml)
-        xmlFreeDoc(xml);
+    xmlFreeDoc(xml);
     virDomainFree(dom);
     return ret;
 }
@@ -10295,8 +10293,7 @@ cmdTTYConsole(vshControl *ctl, const vshCmd *cmd)
  cleanup:
     xmlXPathFreeObject(obj);
     xmlXPathFreeContext(ctxt);
-    if (xml)
-        xmlFreeDoc(xml);
+    xmlFreeDoc(xml);
     virDomainFree(dom);
     return ret;
 }
@@ -10752,10 +10749,8 @@ cmdDetachInterface(vshControl *ctl, const vshCmd *cmd)
         virDomainFree(dom);
     xmlXPathFreeObject(obj);
     xmlXPathFreeContext(ctxt);
-    if (xml)
-        xmlFreeDoc(xml);
-    if (xml_buf)
-        xmlBufferFree(xml_buf);
+    xmlFreeDoc(xml);
+    xmlBufferFree(xml_buf);
     return functionReturn;
 }

@@ -11216,10 +11211,8 @@ cmdDetachDisk(vshControl *ctl, const vshCmd *cmd)
  cleanup:
     xmlXPathFreeObject(obj);
     xmlXPathFreeContext(ctxt);
-    if (xml)
-        xmlFreeDoc(xml);
-    if (xml_buf)
-        xmlBufferFree(xml_buf);
+    xmlFreeDoc(xml);
+    xmlBufferFree(xml_buf);
     if (dom)
         virDomainFree(dom);
     return functionReturn;
@@ -11898,8 +11891,7 @@ cmdSnapshotCreate(vshControl *ctl, const vshCmd *cmd)
 cleanup:
     VIR_FREE(name);
     xmlXPathFreeContext(ctxt);
-    if (xml)
-        xmlFreeDoc(xml);
+    xmlFreeDoc(xml);
     if (snapshot)
         virDomainSnapshotFree(snapshot);
     VIR_FREE(doc);
@@ -12005,8 +11997,7 @@ cmdSnapshotCreateAs(vshControl *ctl, const vshCmd *cmd)
 cleanup:
     VIR_FREE(parsed_name);
     xmlXPathFreeContext(ctxt);
-    if (xml)
-        xmlFreeDoc(xml);
+    xmlFreeDoc(xml);
     if (snapshot)
         virDomainSnapshotFree(snapshot);
     VIR_FREE(doc);
@@ -12163,8 +12154,7 @@ cmdSnapshotList(vshControl *ctl, const vshCmd *cmd)
             if (snapshot)
                 virDomainSnapshotFree(snapshot);
             xmlXPathFreeContext(ctxt);
-            if (xml)
-                xmlFreeDoc(xml);
+            xmlFreeDoc(xml);
             VIR_FREE(doc);

             snapshot = virDomainSnapshotLookupByName(dom, names[i], 0);
@@ -12210,8 +12200,7 @@ cleanup:
     if (snapshot)
         virDomainSnapshotFree(snapshot);
     xmlXPathFreeContext(ctxt);
-    if (xml)
-        xmlFreeDoc(xml);
+    xmlFreeDoc(xml);
     VIR_FREE(doc);
     for (i = 0; i < actual; i++)
         VIR_FREE(names[i]);
@@ -12343,8 +12332,7 @@ cmdSnapshotParent(vshControl *ctl, const vshCmd *cmd)
 cleanup:
     VIR_FREE(parent);
     xmlXPathFreeContext(ctxt);
-    if (xmldoc)
-        xmlFreeDoc(xmldoc);
+    xmlFreeDoc(xmldoc);
     VIR_FREE(xml);
     if (snapshot)
         virDomainSnapshotFree(snapshot);
-- 
1.7.4.4