diff --git a/.mailmap b/.mailmap
index 832af7d..dfe9917 100644
--- a/.mailmap
+++ b/.mailmap
@@ -21,7 +21,7 @@
 <devin.carlen@gmail.com> <devcamcar@illian.local>
 <doug.hellmann@dreamhost.com> <doug.hellmann@gmail.com>
 <dprince@redhat.com> <dan.prince@rackspace.com>
-<edouard1.thuleau@orange.com> <thuleau@gmail.com>
+<edouard.thuleau@orange.com> <thuleau@gmail.com>
 <ewan.mellor@citrix.com> <emellor@silver>
 <ghe@debian.org> <ghe.rivero@gmail.com>
 <ilyaalekseyev@acm.org> <ialekseev@griddynamics.com>
@@ -116,4 +116,4 @@ Vishvananda Ishaya <vishvananda@gmail.com> <root@mirror.nasanebula.net>
 Vishvananda Ishaya <vishvananda@gmail.com> <root@ubuntu>
 Vivek YS <vivek.ys@gmail.com> Vivek YS vivek.ys@gmail.com <>
 Zhongyue Luo <zhongyue.nah@intel.com> <lzyeval@gmail.com>
-Édouard Thuleau <edouard1.thuleau@orange.com> Thuleau Édouard <thuleau@gmail.com>
+Édouard Thuleau <edouard.thuleau@orange.com> Thuleau Édouard <thuleau@gmail.com>
diff --git a/nova/compute/manager.py b/nova/compute/manager.py
index 6088cbf..daf0b48 100644
--- a/nova/compute/manager.py
+++ b/nova/compute/manager.py
@@ -1217,28 +1217,17 @@ class ComputeManager(manager.SchedulerDependentManager):
         :param rotation: int representing how many backups to keep around;
             None if rotation shouldn't be used (as in the case of snapshots)
         """
-        # NOTE(jk0): Eventually extract this out to the ImageService?
-        def fetch_images():
-            images = []
-            marker = None
-            while True:
-                batch = image_service.detail(context, filters=filters,
-                        marker=marker, sort_key='created_at', sort_dir='desc')
-                if not batch:
-                    break
-                images += batch
-                marker = batch[-1]['id']
-            return images
-
         image_service = glance.get_default_image_service()
         filters = {'property-image_type': 'backup',
                    'property-backup_type': backup_type,
                    'property-instance_uuid': instance['uuid']}
 
-        images = fetch_images()
+        images = image_service.detail(context, filters=filters,
+                 sort_key='created_at', sort_dir='desc')
         num_images = len(images)
         LOG.debug(_("Found %(num_images)d images (rotation: %(rotation)d)")
                   % locals(), instance=instance)
+
         if num_images > rotation:
             # NOTE(sirp): this deletes all backups that exceed the rotation
             # limit
diff --git a/nova/image/glance.py b/nova/image/glance.py
index 9282a15..8ea207a 100644
--- a/nova/image/glance.py
+++ b/nova/image/glance.py
@@ -177,7 +177,7 @@ class GlanceImageService(object):
         accepted_params = ('filters', 'marker', 'limit',
                            'sort_key', 'sort_dir')
         for param in accepted_params:
-            if param in params:
+            if param in params and params.get(param):
                 _params[param] = params.get(param)
 
         # ensure filters is a dict