If qcow2_cache_flush failed, s->lock will not be unlock.
Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
qemu_co_mutex_lock(&s->lock);
ret = qcow2_cache_flush(bs, s->l2_table_cache);
if (ret < 0) {
+ qemu_co_mutex_unlock(&s->lock);
return ret;
}
ret = qcow2_cache_flush(bs, s->refcount_block_cache);
if (ret < 0) {
+ qemu_co_mutex_unlock(&s->lock);
return ret;
}
qemu_co_mutex_unlock(&s->lock);