Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2016-05-12' into staging

QAPI patches for 2016-05-12

# gpg: Signature made Thu 12 May 2016 08:49:04 BST using RSA key ID EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"

* remotes/armbru/tags/pull-qapi-2016-05-12: (23 commits)
  qapi: Change visit_type_FOO() to no longer return partial objects
  qapi: Simplify semantics of visit_next_list()
  qapi: Fix string input visitor handling of invalid list
  tests/string-input-visitor: Add negative integer tests
  qapi: Split visit_end_struct() into pieces
  qmp: Tighten output visitor rules
  qmp: Don't reuse qmp visitor after grabbing output
  spapr_drc: Expose 'null' in qom-get when there is no fdt
  qmp: Support explicit null during visits
  qapi: Add visit_type_null() visitor
  tests: Add check-qnull
  qapi: Document visitor interfaces, add assertions
  qmp-input: Refactor when list is advanced
  qmp-input: Require struct push to visit members of top dict
  qom: Wrap prop visit in visit_start_struct
  qapi-commands: Wrap argument visit in visit_start_struct
  qmp-input: Don't consume input when checking has_member
  qapi: Use strict QMP input visitor in more places
  qapi: Consolidate QMP input visitor creation
  qmp-input: Clean up stack handling
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 8 insertions, 7 deletions

diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
index 9dbe681790..8c15e09470 100644
--- a/hw/virtio/virtio-balloon.c
+++ b/hw/virtio/virtio-balloon.c
@@ -138,17 +138,18 @@ static void balloon_stats_get_all(Object *obj, Visitor *v, const char *name,
     for (i = 0; i < VIRTIO_BALLOON_S_NR; i++) {
         visit_type_uint64(v, balloon_stat_names[i], &s->stats[i], &err);
         if (err) {
-            break;
+            goto out_nested;
         }
     }
-    error_propagate(errp, err);
-    err = NULL;
-    visit_end_struct(v, &err);
+    visit_check_struct(v, &err);
+out_nested:
+    visit_end_struct(v);
 
+    if (!err) {
+        visit_check_struct(v, &err);
+    }
 out_end:
-    error_propagate(errp, err);
-    err = NULL;
-    visit_end_struct(v, &err);
+    visit_end_struct(v);
 out:
     error_propagate(errp, err);
 }