Make sure that all fields of the new QuorumAIOCB are zeroed when the
function returns even without explicitly setting them. This will protect
us when new fields are added, removes some explicit zero assignment and
makes the code a little nicer to read.

Suggested-by: Eric Blake <ebl...@redhat.com>
Signed-off-by: Kevin Wolf <kw...@redhat.com>
---
 block/quorum.c | 23 ++++++++++-------------
 1 file changed, 10 insertions(+), 13 deletions(-)

diff --git a/block/quorum.c b/block/quorum.c
index 52fa806..38c5e43 100644
--- a/block/quorum.c
+++ b/block/quorum.c
@@ -166,20 +166,17 @@ static QuorumAIOCB *quorum_aio_get(BlockDriverState *bs,
     QuorumAIOCB *acb = g_new(QuorumAIOCB, 1);
     int i;
 
-    acb->co = qemu_coroutine_self();
-    acb->bs = bs;
-    acb->offset = offset;
-    acb->bytes = bytes;
-    acb->qiov = qiov;
-    acb->qcrs = g_new0(QuorumChildRequest, s->num_children);
-    acb->count = 0;
-    acb->success_count = 0;
-    acb->rewrite_count = 0;
-    acb->votes.compare = quorum_sha256_compare;
-    QLIST_INIT(&acb->votes.vote_list);
-    acb->is_read = false;
-    acb->vote_ret = 0;
+    *acb = (QuorumAIOCB) {
+        .co                 = qemu_coroutine_self(),
+        .bs                 = bs,
+        .offset             = offset,
+        .bytes              = bytes,
+        .qiov               = qiov,
+        .votes.compare      = quorum_sha256_compare,
+        .votes.vote_list    = QLIST_HEAD_INITIALIZER(acb.votes.vote_list),
+    };
 
+    acb->qcrs = g_new0(QuorumChildRequest, s->num_children);
     for (i = 0; i < s->num_children; i++) {
         acb->qcrs[i].buf = NULL;
         acb->qcrs[i].ret = 0;
-- 
1.8.3.1


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