Fix giant lock handling on entry release

servers/slapd/back-ldbm/add.c

@@ -375,12 +375,14 @@ return_results:;
 	}
 
 	if ( rc ) {
-		/* in case of error, writer lock is freed 
-		 * and entry's private data is destroyed */
+		/*
+		 * in case of error, writer lock is freed 
+		 * and entry's private data is destroyed.
+		 * otherwise, this is done when entry is released
+		 */
 		cache_return_entry_w( &li->li_cache, e );
+		ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
 	}
 
-	ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
-
 	return( rc );
 }

servers/slapd/back-ldbm/entry.c

@@ -31,6 +31,11 @@ ldbm_back_entry_release_rw(
 	if ( slapMode == SLAP_SERVER_MODE ) {
 		/* free entry and reader or writer lock */
 		cache_return_entry_rw( &li->li_cache, e, rw ); 
+		if( rw ) {
+			ldap_pvt_thread_rdwr_wunlock( &li->li_giant_rwlock );
+		} else {
+			ldap_pvt_thread_rdwr_runlock( &li->li_giant_rwlock );
+		}
 
 	} else {
 		entry_free( e );