Signed-off-by: Frediano Ziglio <fredd...@gmail.com>
---
block/qcow.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/block/qcow.c b/block/qcow.c
index 007fb57..8fd1ee5 100644
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -499,7 +499,6 @@ static QCowAIOCB *qcow_aio_setup(BlockDriverState *bs,
int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
int is_write, QCowAIOCB *acb)
{
- memset(acb, 0, sizeof(*acb));
acb->bs = bs;
acb->sector_num = sector_num;
acb->qiov = qiov;
@@ -509,6 +508,7 @@ static QCowAIOCB *qcow_aio_setup(BlockDriverState *bs,
if (is_write)
qemu_iovec_to_buffer(qiov, acb->buf);
} else {
+ acb->orig_buf = NULL;
acb->buf = (uint8_t *)qiov->iov->iov_base;
}
acb->nb_sectors = nb_sectors;
--
1.7.1
