From 93ceec25728497b5a4902b78b15a60b576d1e2a2 Mon Sep 17 00:00:00 2001 From: Kevin Wolf Date: Tue, 14 Feb 2012 11:14:36 +0100 Subject: [PATCH 71/99] qcow2: Properly initialise QcowL2Meta RH-Author: Kevin Wolf 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 RH-Acked-by: Marcelo Tosatti RH-Acked-by: Laszlo Ersek Bugzilla: 783950 Dependency list pointers filled with random garbage from the stack aren't a good idea. Signed-off-by: Kevin Wolf (cherry picked from commit 8e217d5384a38bdb4727c4e22d7ed64c351361f7) --- block/qcow2.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) Signed-off-by: Michal Novotny --- 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