summaryrefslogtreecommitdiff
path: root/block/qcow2.c
diff options
context:
space:
mode:
Diffstat (limited to 'block/qcow2.c')
-rw-r--r--block/qcow2.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index be48a27afa..bb6000f7dc 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -638,9 +638,7 @@ static int qcow2_open(BlockDriverState *bs, QDict *options, int flags,
}
/* read the level 1 table */
- if (header.l1_size > 0x2000000) {
- /* 32 MB L1 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.l1_size > QCOW_MAX_L1_SIZE) {
error_setg(errp, "Active L1 table too large");
ret = -EFBIG;
goto fail;