diff options
Diffstat (limited to 'block/qcow2.c')
| -rw-r--r-- | block/qcow2.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index e5d8ab679e..02f9f3e636 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -4700,17 +4700,12 @@ qcow2_co_preadv_compressed(BlockDriverState *bs, size_t qiov_offset) { BDRVQcow2State *s = bs->opaque; - int ret = 0, csize, nb_csectors; + int ret = 0, csize; uint64_t coffset; uint8_t *buf, *out_buf; int offset_in_cluster = offset_into_cluster(s, offset); - assert(qcow2_get_cluster_type(bs, l2_entry) == QCOW2_CLUSTER_COMPRESSED); - - coffset = l2_entry & s->cluster_offset_mask; - nb_csectors = ((l2_entry >> s->csize_shift) & s->csize_mask) + 1; - csize = nb_csectors * QCOW2_COMPRESSED_SECTOR_SIZE - - (coffset & ~QCOW2_COMPRESSED_SECTOR_MASK); + qcow2_parse_compressed_l2_entry(bs, l2_entry, &coffset, &csize); buf = g_try_malloc(csize); if (!buf) { |