diff options
Diffstat (limited to 'block/qcow2-cluster.c')
| -rw-r--r-- | block/qcow2-cluster.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c index f88118cdc5..cb46376abe 100644 --- a/block/qcow2-cluster.c +++ b/block/qcow2-cluster.c @@ -67,9 +67,10 @@ int qcow2_grow_l1_table(BlockDriverState *bs, int min_size) /* set new table */ cpu_to_be32w((uint32_t*)data, new_l1_size); cpu_to_be64w((uint64_t*)(data + 4), new_l1_table_offset); - if (bdrv_pwrite(s->hd, offsetof(QCowHeader, l1_size), data, - sizeof(data)) != sizeof(data)) + ret = bdrv_pwrite(s->hd, offsetof(QCowHeader, l1_size), data,sizeof(data)); + if (ret != sizeof(data)) { goto fail; + } qemu_free(s->l1_table); qcow2_free_clusters(bs, s->l1_table_offset, s->l1_size * sizeof(uint64_t)); s->l1_table_offset = new_l1_table_offset; @@ -77,8 +78,9 @@ int qcow2_grow_l1_table(BlockDriverState *bs, int min_size) s->l1_size = new_l1_size; return 0; fail: - qemu_free(s->l1_table); - return -EIO; + qemu_free(new_l1_table); + qcow2_free_clusters(bs, new_l1_table_offset, new_l1_size2); + return ret < 0 ? ret : -EIO; } void qcow2_l2_cache_reset(BlockDriverState *bs) |