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qcow2: Properly initialise QcowL2Meta

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

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2011-09-01 15:00:42 +02:00
parent c30e624d5d
commit 8e217d5384
1 changed files with 3 additions and 2 deletions
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5
block/qcow2.c
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@ -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);