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[libvirt] [PATCH v2 5/8] virStoragePoolObjSourceFindDuplicate: Drop @conn argument



The @conn argument is needed only to do some source matching in
case of iSCSI source. Anyway, it's used just for node device
driver and as such can be replaced with virGetConnectNodeDev().

At the same time, the @conn struct member is dropped from
_virStoragePoolObjFindDuplicateData.

Signed-off-by: Michal Privoznik <mprivozn redhat com>
---
 src/conf/virstorageobj.c     | 25 +++++++++++--------------
 src/conf/virstorageobj.h     |  3 +--
 src/storage/storage_driver.c |  4 ++--
 3 files changed, 14 insertions(+), 18 deletions(-)

diff --git a/src/conf/virstorageobj.c b/src/conf/virstorageobj.c
index b710ec652d..dce45ce870 100644
--- a/src/conf/virstorageobj.c
+++ b/src/conf/virstorageobj.c
@@ -1169,7 +1169,6 @@ virStorageIsSameHostnum(const char *name,
 /*
  * matchFCHostToSCSIHost:
  *
- * @conn: Connection pointer
  * @fchost: fc_host adapter ptr (either def or pool->def)
  * @scsi_hostnum: Already determined "scsi_pool" hostnum
  *
@@ -1177,10 +1176,10 @@ virStorageIsSameHostnum(const char *name,
  *         fc_adapter host# and the scsi_host host#
  */
 static bool
-matchFCHostToSCSIHost(virConnectPtr conn,
-                      virStorageAdapterFCHostPtr fchost,
+matchFCHostToSCSIHost(virStorageAdapterFCHostPtr fchost,
                       unsigned int scsi_hostnum)
 {
+    virConnectPtr conn = NULL;
     bool ret = false;
     char *name = NULL;
     char *scsi_host_name = NULL;
@@ -1211,7 +1210,8 @@ matchFCHostToSCSIHost(virConnectPtr conn,
          * If the parent fc_hostnum is the same as the scsi_hostnum, we
          * have a match.
          */
-        if (conn && !fchost->parent) {
+        if (!fchost->parent &&
+            (conn = virGetConnectNodeDev())) {
             if (virAsprintf(&scsi_host_name, "scsi_%s", name) < 0)
                 goto cleanup;
             if ((parent_name = virNodeDeviceGetParentName(conn,
@@ -1240,6 +1240,7 @@ matchFCHostToSCSIHost(virConnectPtr conn,
     VIR_FREE(name);
     VIR_FREE(parent_name);
     VIR_FREE(scsi_host_name);
+    virConnectClose(conn);
     return ret;
 }
 
@@ -1318,8 +1319,7 @@ virStoragePoolObjSourceMatchTypeDIR(virStoragePoolObjPtr obj,
 
 static virStoragePoolObjPtr
 virStoragePoolObjSourceMatchTypeISCSI(virStoragePoolObjPtr obj,
-                                      virStoragePoolDefPtr def,
-                                      virConnectPtr conn)
+                                      virStoragePoolDefPtr def)
 {
     virStorageAdapterPtr pool_adapter = &obj->def->source.adapter;
     virStorageAdapterPtr def_adapter = &def->source.adapter;
@@ -1363,7 +1363,7 @@ virStoragePoolObjSourceMatchTypeISCSI(virStoragePoolObjPtr obj,
         if (getSCSIHostNumber(def_scsi_host, &scsi_hostnum) < 0)
             return NULL;
 
-        if (matchFCHostToSCSIHost(conn, pool_fchost, scsi_hostnum))
+        if (matchFCHostToSCSIHost(pool_fchost, scsi_hostnum))
             return obj;
 
     } else if (pool_adapter->type == VIR_STORAGE_ADAPTER_TYPE_SCSI_HOST &&
@@ -1374,7 +1374,7 @@ virStoragePoolObjSourceMatchTypeISCSI(virStoragePoolObjPtr obj,
         if (getSCSIHostNumber(pool_scsi_host, &scsi_hostnum) < 0)
             return NULL;
 
-        if (matchFCHostToSCSIHost(conn, def_fchost, scsi_hostnum))
+        if (matchFCHostToSCSIHost(def_fchost, scsi_hostnum))
             return obj;
     }
 
@@ -1411,7 +1411,6 @@ virStoragePoolObjSourceMatchTypeDEVICE(virStoragePoolObjPtr obj,
 
 
 struct _virStoragePoolObjFindDuplicateData {
-    virConnectPtr conn;
     virStoragePoolDefPtr def;
 };
 
@@ -1439,7 +1438,7 @@ virStoragePoolObjSourceFindDuplicateCb(const void *payload,
 
     case VIR_STORAGE_POOL_SCSI:
         if (data->def->type == obj->def->type &&
-            virStoragePoolObjSourceMatchTypeISCSI(obj, data->def, data->conn))
+            virStoragePoolObjSourceMatchTypeISCSI(obj, data->def))
             return 1;
         break;
 
@@ -1488,12 +1487,10 @@ virStoragePoolObjSourceFindDuplicateCb(const void *payload,
 
 
 int
-virStoragePoolObjSourceFindDuplicate(virConnectPtr conn,
-                                     virStoragePoolObjListPtr pools,
+virStoragePoolObjSourceFindDuplicate(virStoragePoolObjListPtr pools,
                                      virStoragePoolDefPtr def)
 {
-    struct _virStoragePoolObjFindDuplicateData data = { .conn = conn,
-                                                        .def = def };
+    struct _virStoragePoolObjFindDuplicateData data = {.def = def};
     virStoragePoolObjPtr obj = NULL;
 
     virObjectRWLockRead(pools);
diff --git a/src/conf/virstorageobj.h b/src/conf/virstorageobj.h
index 9fabf34e4f..bc24db1928 100644
--- a/src/conf/virstorageobj.h
+++ b/src/conf/virstorageobj.h
@@ -246,8 +246,7 @@ virStoragePoolObjRemove(virStoragePoolObjListPtr pools,
                         virStoragePoolObjPtr obj);
 
 int
-virStoragePoolObjSourceFindDuplicate(virConnectPtr conn,
-                                     virStoragePoolObjListPtr pools,
+virStoragePoolObjSourceFindDuplicate(virStoragePoolObjListPtr pools,
                                      virStoragePoolDefPtr def);
 
 int
diff --git a/src/storage/storage_driver.c b/src/storage/storage_driver.c
index 18a67ec8ac..df4f86c4bd 100644
--- a/src/storage/storage_driver.c
+++ b/src/storage/storage_driver.c
@@ -705,7 +705,7 @@ storagePoolCreateXML(virConnectPtr conn,
     if (virStoragePoolCreateXMLEnsureACL(conn, newDef) < 0)
         goto cleanup;
 
-    if (virStoragePoolObjSourceFindDuplicate(conn, driver->pools, newDef) < 0)
+    if (virStoragePoolObjSourceFindDuplicate(driver->pools, newDef) < 0)
         goto cleanup;
 
     if ((backend = virStorageBackendForType(newDef->type)) == NULL)
@@ -796,7 +796,7 @@ storagePoolDefineXML(virConnectPtr conn,
     if (virStoragePoolDefineXMLEnsureACL(conn, newDef) < 0)
         goto cleanup;
 
-    if (virStoragePoolObjSourceFindDuplicate(conn, driver->pools, newDef) < 0)
+    if (virStoragePoolObjSourceFindDuplicate(driver->pools, newDef) < 0)
         goto cleanup;
 
     if (virStorageBackendForType(newDef->type) == NULL)
-- 
2.16.4


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