diff options
Diffstat (limited to 'block/qcow2.c')
| -rw-r--r-- | block/qcow2.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index d4d991cbb3..b64564d171 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -609,9 +609,7 @@ static int qcow2_open(BlockDriverState *bs, QDict *options, int flags, s->refcount_table_size = header.refcount_table_clusters << (s->cluster_bits - 3); - if (header.refcount_table_clusters > (0x800000 >> s->cluster_bits)) { - /* 8 MB refcount table is enough for 2 PB images at 64k cluster size - * (128 GB for 512 byte clusters, 2 EB for 2 MB clusters) */ + if (header.refcount_table_clusters > qcow2_max_refcount_clusters(s)) { error_setg(errp, "Reference count table too large"); ret = -EINVAL; goto fail; |