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Diffstat (limited to 'block/vvfat.c')
-rw-r--r--block/vvfat.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/block/vvfat.c b/block/vvfat.c
index 7c4b0f5ce4..b41055ab9d 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -2923,6 +2923,7 @@ static BlockDriver vvfat_write_target = {
static int enable_write_target(BDRVVVFATState *s, Error **errp)
{
BlockDriver *bdrv_qcow = NULL;
+ BlockDriverState *backing;
QemuOpts *opts = NULL;
int ret;
int size = sector2cluster(s, s->sector_count);
@@ -2971,7 +2972,10 @@ static int enable_write_target(BDRVVVFATState *s, Error **errp)
unlink(s->qcow_filename);
#endif
- bdrv_set_backing_hd(s->bs, bdrv_new());
+ backing = bdrv_new();
+ bdrv_set_backing_hd(s->bs, backing);
+ bdrv_unref(backing);
+
s->bs->backing->bs->drv = &vvfat_write_target;
s->bs->backing->bs->opaque = g_new(void *, 1);
*(void**)s->bs->backing->bs->opaque = s;