fix crash related to ITS#4839; other issues seem to presist

diff --git a/servers/slapd/overlays/syncprov.c b/servers/slapd/overlays/syncprov.c
index ed68e77dc7aa3cc5f9bed9220619b828a9881e30..8aaa3f746b17f86ffdee55891957955a9265df9a 100644 (file)
--- a/servers/slapd/overlays/syncprov.c
+++ b/servers/slapd/overlays/syncprov.c
@@ -2539,7 +2539,7 @@ syncprov_db_open(
                if ( a ) {
                        int i;
                        ber_bvarray_dup_x( &si->si_ctxcsn, a->a_vals, NULL );
-                       for ( i=0; !BER_BVISEMPTY( &a->a_vals[i] ); i++ );
+                       for ( i = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ );
                        si->si_numcsns = i;
                        si->si_sids = slap_parse_csn_sids( si->si_ctxcsn, i );
                }