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diff --git a/module/zfs/dsl_dataset.c b/module/zfs/dsl_dataset.c
index 21fdd08..872d44a 100644
--- a/module/zfs/dsl_dataset.c
+++ b/module/zfs/dsl_dataset.c
@@ -20,7 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2011 by Delphix. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
* Copyright (c) 2012, Joyent, Inc. All rights reserved.
*/
@@ -4158,9 +4220,13 @@ struct dsl_ds_releasearg {
dsl_dataset_t *snap;
uint64_t used, comp, uncomp;
- err = dsl_dataset_hold_obj(dp, snapobj, FTAG, &snap);
- if (err != 0)
- break;
+ if (snapobj == new->ds_object) {
+ snap = new;
+ } else {
+ err = dsl_dataset_hold_obj(dp, snapobj, FTAG, &snap);
+ if (err != 0)
+ break;
+ }
if (snap->ds_phys->ds_prev_snap_txg ==
oldsnap->ds_phys->ds_creation_txg) {
@@ -4189,7 +4255,8 @@ struct dsl_ds_releasearg {
* was not a snapshot of/before new.
*/
snapobj = snap->ds_phys->ds_prev_snap_obj;
- dsl_dataset_rele(snap, FTAG);
+ if (snap != new)
+ dsl_dataset_rele(snap, FTAG);
if (snapobj == 0) {
err = EINVAL;
break;
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