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Diffstat (limited to 'block/qcow2.c')
-rw-r--r--block/qcow2.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index 67affa6396..30ded6ae9b 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -52,7 +52,7 @@ typedef struct {
#define QCOW_EXT_MAGIC_END 0
#define QCOW_EXT_MAGIC_BACKING_FORMAT 0xE2792ACA
-
+static BlockDriver bdrv_qcow2;
static int qcow_probe(const uint8_t *buf, int buf_size, const char *filename)
{
@@ -1033,7 +1033,7 @@ exit:
if (ret == 0 && prealloc) {
BlockDriverState *bs;
bs = bdrv_new("");
- bdrv_open(bs, filename, BDRV_O_CACHE_WB | BDRV_O_RDWR);
+ bdrv_open(bs, filename, BDRV_O_CACHE_WB | BDRV_O_RDWR, &bdrv_qcow2);
preallocate(bs);
bdrv_close(bs);
}