diff options
| -rw-r--r-- | block/qcow2.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index c61d996f14..374a56d565 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -597,8 +597,8 @@ static int qcow2_update_options(BlockDriverState *bs, QDict *options, const char *opt_overlap_check, *opt_overlap_check_template; int overlap_check_template = 0; uint64_t l2_cache_size, refcount_cache_size; - Qcow2Cache *l2_table_cache; - Qcow2Cache *refcount_block_cache; + Qcow2Cache *l2_table_cache = NULL; + Qcow2Cache *refcount_block_cache = NULL; uint64_t cache_clean_interval; bool use_lazy_refcounts; int i; @@ -735,6 +735,14 @@ static int qcow2_update_options(BlockDriverState *bs, QDict *options, ret = 0; fail: + if (ret < 0) { + if (l2_table_cache) { + qcow2_cache_destroy(bs, l2_table_cache); + } + if (refcount_block_cache) { + qcow2_cache_destroy(bs, refcount_block_cache); + } + } qemu_opts_del(opts); opts = NULL; |