diff options
| -rw-r--r-- | block/qcow2-refcount.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c index 2d67885850..4cb9c2332a 100644 --- a/block/qcow2-refcount.c +++ b/block/qcow2-refcount.c @@ -1719,12 +1719,11 @@ int qcow2_check_metadata_overlap(BlockDriverState *bs, int chk, int64_t offset, for (i = 0; i < s->nb_snapshots; i++) { uint64_t l1_ofs = s->snapshots[i].l1_table_offset; uint32_t l1_sz = s->snapshots[i].l1_size; - uint64_t *l1 = g_malloc(l1_sz * sizeof(uint64_t)); + uint64_t l1_sz2 = l1_sz * sizeof(uint64_t); + uint64_t *l1 = g_malloc(l1_sz2); int ret; - ret = bdrv_read(bs->file, l1_ofs / BDRV_SECTOR_SIZE, (uint8_t *)l1, - l1_sz * sizeof(uint64_t) / BDRV_SECTOR_SIZE); - + ret = bdrv_pread(bs->file, l1_ofs, l1, l1_sz2); if (ret < 0) { g_free(l1); return ret; |