From 8e217d5384a38bdb4727c4e22d7ed64c351361f7 Mon Sep 17 00:00:00 2001
From: Kevin Wolf <kwolf@redhat.com>
Date: Thu, 1 Sep 2011 15:00:42 +0200
Subject: qcow2: Properly initialise QcowL2Meta

Dependency list pointers filled with random garbage from the stack aren't a
good idea.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/qcow2.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'block')

diff --git a/block/qcow2.c b/block/qcow2.c
index b725d68..f26f7b6 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -526,13 +526,14 @@ static int qcow2_co_writev(BlockDriverState *bs,
     int n_end;
     int ret;
     int cur_nr_sectors; /* number of sectors in current iteration */
-    QCowL2Meta l2meta;
     uint64_t cluster_offset;
     QEMUIOVector hd_qiov;
     uint64_t bytes_done = 0;
     uint8_t *cluster_data = NULL;
+    QCowL2Meta l2meta = {
+        .nb_clusters = 0,
+    };
 
-    l2meta.nb_clusters = 0;
     qemu_co_queue_init(&l2meta.dependent_requests);
 
     qemu_iovec_init(&hd_qiov, qiov->niov);
-- 
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