5610 zfs clone from different source and target pools produces coredump

*** 22,31 ****
--- 22,32 ----
   * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
   * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
   * Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
   * Copyright (c) 2013, Joyent, Inc. All rights reserved.
   * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
+  * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
   */
  
  /* Portions Copyright 2010 Robert Milkowski */
  
  #include <sys/cred.h>
*** 903,917 ****
                  return (error);
          if (tail == NULL) {
                  dsl_dir_rele(pdd, FTAG);
                  return (SET_ERROR(EEXIST));
          }
!         /* You can't clone across pools. */
!         if (pdd->dd_pool != dp) {
!                 dsl_dir_rele(pdd, FTAG);
!                 return (SET_ERROR(EXDEV));
!         }
          error = dsl_fs_ss_limit_check(pdd, 1, ZFS_PROP_FILESYSTEM_LIMIT, NULL,
              doca->doca_cred);
          if (error != 0) {
                  dsl_dir_rele(pdd, FTAG);
                  return (SET_ERROR(EDQUOT));
--- 904,914 ----
                  return (error);
          if (tail == NULL) {
                  dsl_dir_rele(pdd, FTAG);
                  return (SET_ERROR(EEXIST));
          }
! 
          error = dsl_fs_ss_limit_check(pdd, 1, ZFS_PROP_FILESYSTEM_LIMIT, NULL,
              doca->doca_cred);
          if (error != 0) {
                  dsl_dir_rele(pdd, FTAG);
                  return (SET_ERROR(EDQUOT));
*** 920,935 ****
  
          error = dsl_dataset_hold(dp, doca->doca_origin, FTAG, &origin);
          if (error != 0)
                  return (error);
  
-         /* You can't clone across pools. */
-         if (origin->ds_dir->dd_pool != dp) {
-                 dsl_dataset_rele(origin, FTAG);
-                 return (SET_ERROR(EXDEV));
-         }
- 
          /* You can only clone snapshots, not the head datasets. */
          if (!origin->ds_is_snapshot) {
                  dsl_dataset_rele(origin, FTAG);
                  return (SET_ERROR(EINVAL));
          }
--- 917,926 ----