From 58c4aa00c65e09f254de0b939b2c1aa720c204a1 Mon Sep 17 00:00:00 2001
From: Jorgen Lundman <lundman@lundman.net>
Date: Thu, 2 Apr 2015 00:49:14 +1100
Subject: Illumos 4975 - missing mutex_destroy() calls in zfs

4975 missing mutex_destroy() calls in zfs
Author: Jorgen Lundman <lundman@lundman.net>
Reviewed by: Matthew Ahrens <matthew.ahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Rich Lowe <richlowe@richlowe.net>
Reviewed by: Seth Nimbosa <darth.Serious@gmail.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Reviewed by: Don Brady <dev.fs.zfs@gmail.com>
Approved by: Dan McDonald <danmcd@omniti.com>

References:
  https://www.illumos.org/issues/4975
  https://github.com/illumos/illumos-gate/commit/d2b3cbb

Ported-by: Chris Dunlop <chris@onthe.net.au>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
---
 module/zfs/dnode.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'module/zfs/dnode.c')

diff --git a/module/zfs/dnode.c b/module/zfs/dnode.c
index ef74621a0..815696f70 100644
--- a/module/zfs/dnode.c
+++ b/module/zfs/dnode.c
@@ -1079,6 +1079,11 @@ dnode_hold_impl(objset_t *os, uint64_t object, int flag,
 		}
 		if ((winner = dmu_buf_set_user(&db->db, children_dnodes, NULL,
 		    dnode_buf_pageout))) {
+
+			for (i = 0; i < epb; i++) {
+				zrl_destroy(&dnh[i].dnh_zrlock);
+			}
+
 			kmem_free(children_dnodes, sizeof (dnode_children_t) +
 			    (epb - 1) * sizeof (dnode_handle_t));
 			children_dnodes = winner;
-- 
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