[PATCH] storage: prefer using newDef to save configfile

[Shichangkuo <shi.changkuo@xxxxxxx>]

When re-defining an active storage pool, the configfile has not changed. This issue was introduced by bfcd8fc9,
storage: Use virStoragePoolObjGetDef accessor for driver. So we prefer using newDef to save configfile.

Signed-off-by: Changkuo Shi <shi.changkuo@xxxxxxx>
---
 src/storage/storage_driver.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/storage/storage_driver.c b/src/storage/storage_driver.c index b0de96d..fab3c5b 100644
--- a/src/storage/storage_driver.c
+++ b/src/storage/storage_driver.c
@@ -844,13 +844,14 @@ storagePoolDefineXML(virConnectPtr conn,

     if (!(obj = virStoragePoolObjAssignDef(driver->pools, newDef)))
         goto cleanup;
-    newDef = NULL;
+    newDef = virStoragePoolObjGetNewDef(obj);
     def = virStoragePoolObjGetDef(obj);

-    if (virStoragePoolObjSaveDef(driver, obj, def) < 0) {
+    if (virStoragePoolObjSaveDef(driver, obj, newDef ? newDef : def) < 0) {
         virStoragePoolObjRemove(driver->pools, obj);
         virObjectUnref(obj);
         obj = NULL;
+        newDef = NULL;
         goto cleanup;
     }

@@ -860,6 +861,7 @@ storagePoolDefineXML(virConnectPtr conn,

     VIR_INFO("Defining storage pool '%s'", def->name);
     pool = virGetStoragePool(conn, def->name, def->uuid, NULL, NULL);
+    newDef = NULL;

  cleanup:
     if (event)
--
1.7.9.5
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