mpls_tunnel_build_rewrite_i (void)
{
/*
- * passing the adj code a NULL rewirte means 'i don't have one cos
+ * passing the adj code a NULL rewrite means 'i don't have one cos
* t'other end is unresolved'. That's not the case here. For the mpls
* tunnel there are just no bytes of encap to apply in the adj. We'll impose
* the label stack once we choose a path. So return a zero length rewrite.
if (NULL == mt)
return;
+ if (FIB_NODE_INDEX_INVALID == mt->mt_path_list)
+ {
+ adj_nbr_midchain_unstack(ai);
+ return;
+ }
+
/*
* while we're stacking the adj, remove the tunnel from the child list
* of the path list. this breaks a circular dependency of walk updates
old_pl_index = mt->mt_path_list;
+ fib_path_list_lock(old_pl_index);
mt->mt_path_list =
fib_path_list_copy_and_path_remove(old_pl_index,
FIB_PATH_LIST_FLAG_SHARED,
if (FIB_NODE_INDEX_INVALID == mt->mt_path_list)
{
/* no paths left */
+ fib_path_list_unlock(old_pl_index);
return (0);
}
else
mt->mt_path_list);
mpls_tunnel_restack(mt);
+ fib_path_list_unlock(old_pl_index);
}
return (fib_path_list_get_n_paths(mt->mt_path_list));