interface: Remove some unnecessary goto's for Interface tests

Rather than using goto cleanup on object find failure and having cleanup
need to check if the obj was present before unlocking, just return immediately.
Signed-off-by: NJohn Ferlan <jferlan@redhat.com>

src/test/test_driver.c

@@ -3709,13 +3709,11 @@ testInterfaceLookupByName(virConnectPtr conn,
     virInterfacePtr ret = NULL;
 
     if (!(obj = testInterfaceObjFindByName(privconn, name)))
-        goto cleanup;
+        return NULL;
 
     ret = virGetInterface(conn, obj->def->name, obj->def->mac);
 
- cleanup:
-    if (obj)
-        virInterfaceObjUnlock(obj);
+    virInterfaceObjUnlock(obj);
     return ret;
 }
 
@@ -3760,13 +3758,11 @@ testInterfaceIsActive(virInterfacePtr iface)
     int ret = -1;
 
     if (!(obj = testInterfaceObjFindByName(privconn, iface->name)))
-        goto cleanup;
+        return -1;
 
     ret = virInterfaceObjIsActive(obj);
 
- cleanup:
-    if (obj)
-        virInterfaceObjUnlock(obj);
+    virInterfaceObjUnlock(obj);
     return ret;
 }
 
@@ -3875,13 +3871,11 @@ testInterfaceGetXMLDesc(virInterfacePtr iface,
     virCheckFlags(0, NULL);
 
     if (!(obj = testInterfaceObjFindByName(privconn, iface->name)))
-        goto cleanup;
+        return NULL;
 
     ret = virInterfaceDefFormat(obj->def);
 
- cleanup:
-    if (obj)
-        virInterfaceObjUnlock(obj);
+    virInterfaceObjUnlock(obj);
     return ret;
 }
 
@@ -3922,16 +3916,13 @@ testInterfaceUndefine(virInterfacePtr iface)
 {
     testDriverPtr privconn = iface->conn->privateData;
     virInterfaceObjPtr obj;
-    int ret = -1;
 
     if (!(obj = testInterfaceObjFindByName(privconn, iface->name)))
-        goto cleanup;
+        return -1;
 
     virInterfaceObjRemove(&privconn->ifaces, obj);
-    ret = 0;
 
- cleanup:
-    return ret;
+    return 0;
 }
 
 
@@ -3946,7 +3937,7 @@ testInterfaceCreate(virInterfacePtr iface,
     virCheckFlags(0, -1);
 
     if (!(obj = testInterfaceObjFindByName(privconn, iface->name)))
-        goto cleanup;
+        return -1;
 
     if (obj->active != 0) {
         virReportError(VIR_ERR_OPERATION_INVALID, NULL);
@@ -3957,8 +3948,7 @@ testInterfaceCreate(virInterfacePtr iface,
     ret = 0;
 
  cleanup:
-    if (obj)
-        virInterfaceObjUnlock(obj);
+    virInterfaceObjUnlock(obj);
     return ret;
 }
 
@@ -3974,7 +3964,7 @@ testInterfaceDestroy(virInterfacePtr iface,
     virCheckFlags(0, -1);
 
     if (!(obj = testInterfaceObjFindByName(privconn, iface->name)))
-        goto cleanup;
+        return -1;
 
     if (obj->active == 0) {
         virReportError(VIR_ERR_OPERATION_INVALID, NULL);
@@ -3985,8 +3975,7 @@ testInterfaceDestroy(virInterfacePtr iface,
     ret = 0;
 
  cleanup:
-    if (obj)
-        virInterfaceObjUnlock(obj);
+    virInterfaceObjUnlock(obj);
     return ret;
 }