diff options
| -rw-r--r-- | block/vvfat.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/block/vvfat.c b/block/vvfat.c index 70176b1619..1de8808a4e 100644 --- a/block/vvfat.c +++ b/block/vvfat.c @@ -2926,6 +2926,12 @@ static int enable_write_target(BDRVVVFATState *s, Error **errp) } bdrv_qcow = bdrv_find_format("qcow"); + if (!bdrv_qcow) { + error_setg(errp, "Failed to locate qcow driver"); + ret = -ENOENT; + goto err; + } + opts = qemu_opts_create(bdrv_qcow->create_opts, NULL, 0, &error_abort); qemu_opt_set_number(opts, BLOCK_OPT_SIZE, s->sector_count * 512); qemu_opt_set(opts, BLOCK_OPT_BACKING_FILE, "fat:"); |