From c9e56b80f35e2cd3362df65bdfec739c5f35cc1b Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@openldap.org>
Date: Fri, 4 Aug 2017 13:40:34 +0100
Subject: [PATCH] ITS#8690 fix again

---
 servers/slapd/overlays/syncprov.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/servers/slapd/overlays/syncprov.c b/servers/slapd/overlays/syncprov.c
index 27c49a2a3c..4fff71f212 100644
--- a/servers/slapd/overlays/syncprov.c
+++ b/servers/slapd/overlays/syncprov.c
@@ -1973,13 +1973,14 @@ syncprov_op_response( Operation *op, SlapReply *rs )
 				/* for each match in opc->smatches:
 				 *   send DELETE msg
 				 */
+				ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
 				for ( sm = opc->smatches; sm; sm=sm->sm_next ) {
 					if ( sm->sm_op->s_op->o_abandon )
 						continue;
 					syncprov_qresp( opc, sm->sm_op, LDAP_SYNC_DELETE );
-					if ( opc->ssres.s_info )
-						free_resinfo( &opc->ssres );
 				}
+				free_resinfo( &opc->ssres );
+				ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
 				break;
 			}
 		}
-- 
2.39.5