qcow2: fix the macro QCOW_MAX_L1_SIZE's use
QCOW_MAX_L1_SIZE's unit is byte, and l1_size's unit is l1 table entry size(8 bytes). Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Message-id: 54FFB0F1.5010307@cn.fujitsu.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
parent
2120465fbb
commit
87b86e7ef2
|
@ -702,7 +702,7 @@ int qcow2_snapshot_load_tmp(BlockDriverState *bs,
|
||||||
sn = &s->snapshots[snapshot_index];
|
sn = &s->snapshots[snapshot_index];
|
||||||
|
|
||||||
/* Allocate and read in the snapshot's L1 table */
|
/* Allocate and read in the snapshot's L1 table */
|
||||||
if (sn->l1_size > QCOW_MAX_L1_SIZE) {
|
if (sn->l1_size > QCOW_MAX_L1_SIZE / sizeof(uint64_t)) {
|
||||||
error_setg(errp, "Snapshot L1 table too large");
|
error_setg(errp, "Snapshot L1 table too large");
|
||||||
return -EFBIG;
|
return -EFBIG;
|
||||||
}
|
}
|
||||||
|
|
|
@ -742,7 +742,7 @@ static int qcow2_open(BlockDriverState *bs, QDict *options, int flags,
|
||||||
}
|
}
|
||||||
|
|
||||||
/* read the level 1 table */
|
/* read the level 1 table */
|
||||||
if (header.l1_size > QCOW_MAX_L1_SIZE) {
|
if (header.l1_size > QCOW_MAX_L1_SIZE / sizeof(uint64_t)) {
|
||||||
error_setg(errp, "Active L1 table too large");
|
error_setg(errp, "Active L1 table too large");
|
||||||
ret = -EFBIG;
|
ret = -EFBIG;
|
||||||
goto fail;
|
goto fail;
|
||||||
|
|
Loading…
Reference in New Issue