address lock order inversion

diff --git a/lib/isc/netmgr/netmgr.c b/lib/isc/netmgr/netmgr.c
index 7618ff09a959863c94ac75de25b267d743f81a36..0fdd215df1d890b8540c7892ed3224485a394d47 100644 (file)
--- a/lib/isc/netmgr/netmgr.c
+++ b/lib/isc/netmgr/netmgr.c
@@ -168,7 +168,6 @@ nm_destroy(isc_nm_t **mgr0) {
 
        isc_refcount_destroy(&mgr->references);
 
-       LOCK(&mgr->lock);
        mgr->magic = 0;
 
        for (size_t i = 0; i < mgr->nworkers; i++) {
@@ -181,6 +180,7 @@ nm_destroy(isc_nm_t **mgr0) {
                isc__nm_enqueue_ievent(&mgr->workers[i], event);
        }
 
+       LOCK(&mgr->lock);
        while (atomic_load(&mgr->workers_running) > 0) {
                WAIT(&mgr->wkstatecond, &mgr->lock);
        }