/*
* net/tipc/node_subscr.c: TIPC "node down" subscription handling
- *
+ *
* Copyright (c) 1995-2006, Ericsson AB
* Copyright (c) 2005, Wind River Systems
* All rights reserved.
* tipc_nodesub_subscribe - create "node down" subscription for specified node
*/
-void tipc_nodesub_subscribe(struct node_subscr *node_sub, u32 addr,
+void tipc_nodesub_subscribe(struct node_subscr *node_sub, u32 addr,
void *usr_handle, net_ev_handler handle_down)
{
- node_sub->node = 0;
- if (addr == tipc_own_addr)
- return;
- if (!tipc_addr_node_valid(addr)) {
- warn("node_subscr with illegal %x\n", addr);
+ if (addr == tipc_own_addr) {
+ node_sub->node = NULL;
return;
}
+ node_sub->node = tipc_node_find(addr);
+ if (!node_sub->node) {
+ warn("Node subscription rejected, unknown node 0x%x\n", addr);
+ return;
+ }
node_sub->handle_node_down = handle_down;
node_sub->usr_handle = usr_handle;
- node_sub->node = tipc_node_find(addr);
- assert(node_sub->node);
+
tipc_node_lock(node_sub->node);
list_add_tail(&node_sub->nodesub_list, &node_sub->node->nsub);
tipc_node_unlock(node_sub->node);