Avoid multiple attempts to free the same syncinfo

diff --git a/servers/slapd/syncrepl.c b/servers/slapd/syncrepl.c
index 6282013598b927df02897dadb30d78c02d3e89de..6b16e0470f9530c75a725cdabf1134b281d8d091 100644 (file)
--- a/servers/slapd/syncrepl.c
+++ b/servers/slapd/syncrepl.c
@@ -1256,7 +1256,7 @@ do_syncrepl(
        int rc = LDAP_SUCCESS;
        int dostop = 0;
        ber_socket_t s;
-       int i, defer = 1, fail = 0;
+       int i, defer = 1, fail = 0, freeinfo = 0;
        Backend *be;
 
        if ( si == NULL )
@@ -1274,8 +1274,9 @@ do_syncrepl(
                        ldap_pvt_thread_yield();
        }
 
-       if ( !si->si_ctype )
+       if ( si->si_ctype < 1 ) {
                goto deleted;
+       }
 
        switch( abs( si->si_type ) ) {
        case LDAP_SYNC_REFRESH_ONLY:
@@ -1362,7 +1363,11 @@ reload:
 
 deleted:
                /* We got deleted while running on cn=config */
-               if ( !si->si_ctype ) {
+               if ( si->si_ctype < 1 ) {
+                       if ( si->si_ctype == -1 ) {
+                               si->si_ctype = 0;
+                               freeinfo = 1;
+                       }
                        if ( si->si_conn )
                                dostop = 1;
                        rc = -1;
@@ -1429,7 +1434,7 @@ deleted:
                                break;
                }
 
-               if ( !si->si_ctype
+               if ( si->si_ctype < 1
                        || !si->si_retrynum || si->si_retrynum[i] == RETRYNUM_TAIL ) {
                        if ( si->si_re ) {
                                ldap_pvt_runqueue_remove( &slapd_rq, rtask );
@@ -1466,7 +1471,7 @@ deleted:
        }
 
        /* Do final delete cleanup */
-       if ( !si->si_ctype ) {
+       if ( freeinfo ) {
                syncinfo_free( si, 0 );
        }
        return NULL;
@@ -4646,7 +4651,7 @@ syncrepl_config( ConfigArgs *c )
                                                }
                                        }
                                        if ( isrunning ) {
-                                               si->si_ctype = 0;
+                                               si->si_ctype = -1;
                                                si->si_next = NULL;
                                        } else {
                                                syncinfo_free( si, 0 );