From 93ceec25728497b5a4902b78b15a60b576d1e2a2 Mon Sep 17 00:00:00 2001
From: Kevin Wolf <kwolf@redhat.com>
Date: Tue, 14 Feb 2012 11:14:36 +0100
Subject: [PATCH 71/99] qcow2: Properly initialise QcowL2Meta
RH-Author: Kevin Wolf <kwolf@redhat.com>
Message-id: <1329218101-24213-72-git-send-email-kwolf@redhat.com>
Patchwork-id: 37262
O-Subject: [RHEL-6.3 qemu-kvm PATCH v2 71/96] qcow2: Properly initialise QcowL2Meta
Bugzilla: 783950
RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
RH-Acked-by: Marcelo Tosatti <mtosatti@redhat.com>
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
Bugzilla: 783950
Dependency list pointers filled with random garbage from the stack aren't a
good idea.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 8e217d5384a38bdb4727c4e22d7ed64c351361f7)
---
block/qcow2.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
Signed-off-by: Michal Novotny <minovotn@redhat.com>
---
block/qcow2.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/block/qcow2.c b/block/qcow2.c
index 97fed99..7fc2a32 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -524,13 +524,14 @@ 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);
--
1.7.7.5