virDomainSnapshotDefParse: Prefer VIR_STEAL_PTR

Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>
Reviewed-by: NErik Skultety <eskultet@redhat.com>

src/conf/snapshot_conf.c

@@ -331,8 +331,7 @@ virDomainSnapshotDefParse(xmlXPathContextPtr ctxt,
                          "disk-only snapshot"));
         goto cleanup;
     }
-    def->file = memoryFile;
-    memoryFile = NULL;
+    VIR_STEAL_PTR(def->file, memoryFile);
 
     /* verify that memory path is absolute */
     if (def->file && def->file[0] != '/') {
@@ -372,7 +371,7 @@ virDomainSnapshotDefParse(xmlXPathContextPtr ctxt,
     if (!offline && virSaveCookieParse(ctxt, &def->cookie, saveCookie) < 0)
         goto cleanup;
 
-    ret = def;
+    VIR_STEAL_PTR(ret, def);
 
  cleanup:
     VIR_FREE(creation);
@@ -380,7 +379,6 @@ virDomainSnapshotDefParse(xmlXPathContextPtr ctxt,
     VIR_FREE(nodes);
     VIR_FREE(memorySnapshot);
     VIR_FREE(memoryFile);
-    if (ret == NULL)
     virDomainSnapshotDefFree(def);
 
     return ret;