Author: avg
Date: Mon May 25 11:33:57 2015
New Revision: 283521
URL: https://svnweb.freebsd.org/changeset/base/283521

Log:
  MFC r282473: dmu_recv_end_check: don't leak hold if 
dsl_destroy_snapshot_check_impl fails

Modified:
  stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c
Directory Properties:
  stable/9/sys/   (props changed)
  stable/9/sys/cddl/contrib/opensolaris/   (props changed)

Modified: stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c
==============================================================================
--- stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c  Mon May 
25 11:33:45 2015        (r283520)
+++ stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c  Mon May 
25 11:33:57 2015        (r283521)
@@ -1755,7 +1755,7 @@ dmu_recv_end_check(void *arg, dmu_tx_t *
                                error = dsl_dataset_hold_obj(dp, obj, FTAG,
                                    &snap);
                                if (error != 0)
-                                       return (error);
+                                       break;
                                if (snap->ds_dir != origin_head->ds_dir)
                                        error = SET_ERROR(EINVAL);
                                if (error == 0)  {
@@ -1765,7 +1765,11 @@ dmu_recv_end_check(void *arg, dmu_tx_t *
                                obj = snap->ds_phys->ds_prev_snap_obj;
                                dsl_dataset_rele(snap, FTAG);
                                if (error != 0)
-                                       return (error);
+                                       break;
+                       }
+                       if (error != 0) {
+                               dsl_dataset_rele(origin_head, FTAG);
+                               return (error);
                        }
                }
                error = dsl_dataset_clone_swap_check_impl(drc->drc_ds,
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