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Date:      Thu, 1 Sep 2016 14:47:43 +0000 (UTC)
From:      Alexander Motin <mav@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r305203 - head/cddl/contrib/opensolaris/lib/libzfs/common
Message-ID:  <201609011447.u81ElhIs013486@repo.freebsd.org>

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Author: mav
Date: Thu Sep  1 14:47:43 2016
New Revision: 305203
URL: https://svnweb.freebsd.org/changeset/base/305203

Log:
  MFV r302655: 6873 zfs_destroy_snaps_nvl leaks errlist
  
  illumos/illumos-gate@4cde22c29999ffb907ca39d2ebd512812f7e5168
  https://github.com/illumos/illumos-gate/commit/4cde22c29999ffb907ca39d2ebd512812
  f7e5168
  
  https://www.illumos.org/issues/6873
    lzc_destroy_snaps() returns an nvlist in errlist.
    zfs_destroy_snaps_nvl() should nvlist_free() it before returning.
  
  Reviewed by: Matthew Ahrens <mahrens@delphix.com>
  Reviewed by: Paul Dagnelie <pcd@delphix.com>
  Approved by: Dan McDonald <danmcd@omniti.com>
  Author: Chris Williamson <chris.williamson@delphix.com>

Modified:
  head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c
Directory Properties:
  head/cddl/contrib/opensolaris/   (props changed)
  head/cddl/contrib/opensolaris/lib/libzfs/   (props changed)

Modified: head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c
==============================================================================
--- head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c	Thu Sep  1 14:46:33 2016	(r305202)
+++ head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c	Thu Sep  1 14:47:43 2016	(r305203)
@@ -3466,12 +3466,14 @@ int
 zfs_destroy_snaps_nvl(libzfs_handle_t *hdl, nvlist_t *snaps, boolean_t defer)
 {
 	int ret;
-	nvlist_t *errlist;
+	nvlist_t *errlist = NULL;
 
 	ret = lzc_destroy_snaps(snaps, defer, &errlist);
 
-	if (ret == 0)
+	if (ret == 0) {
+		nvlist_free(errlist);
 		return (0);
+	}
 
 	if (nvlist_empty(errlist)) {
 		char errbuf[1024];
@@ -3499,6 +3501,7 @@ zfs_destroy_snaps_nvl(libzfs_handle_t *h
 		}
 	}
 
+	nvlist_free(errlist);
 	return (ret);
 }
 



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