diff options
Diffstat (limited to 'net/tipc/name_table.c')
| -rw-r--r-- | net/tipc/name_table.c | 44 |
1 files changed, 41 insertions, 3 deletions
diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c index ce09b863528c..18a3d44238bc 100644 --- a/net/tipc/name_table.c +++ b/net/tipc/name_table.c @@ -1,7 +1,7 @@ /* * net/tipc/name_table.c: TIPC name table code * - * Copyright (c) 2000-2006, 2014, Ericsson AB + * Copyright (c) 2000-2006, 2014-2015, Ericsson AB * Copyright (c) 2004-2008, 2010-2014, Wind River Systems * All rights reserved. * @@ -618,7 +618,7 @@ not_found: * Returns non-zero if any off-node ports overlap */ int tipc_nametbl_mc_translate(struct net *net, u32 type, u32 lower, u32 upper, - u32 limit, struct tipc_port_list *dports) + u32 limit, struct tipc_plist *dports) { struct name_seq *seq; struct sub_seq *sseq; @@ -643,7 +643,7 @@ int tipc_nametbl_mc_translate(struct net *net, u32 type, u32 lower, u32 upper, info = sseq->info; list_for_each_entry(publ, &info->node_list, node_list) { if (publ->scope <= limit) - tipc_port_list_add(dports, publ->ref); + tipc_plist_push(dports, publ->ref); } if (info->cluster_list_size != info->node_list_size) @@ -1212,3 +1212,41 @@ int tipc_nl_name_table_dump(struct sk_buff *skb, struct netlink_callback *cb) return skb->len; } + +void tipc_plist_push(struct tipc_plist *pl, u32 port) +{ + struct tipc_plist *nl; + + if (likely(!pl->port)) { + pl->port = port; + return; + } + if (pl->port == port) + return; + list_for_each_entry(nl, &pl->list, list) { + if (nl->port == port) + return; + } + nl = kmalloc(sizeof(*nl), GFP_ATOMIC); + if (nl) { + nl->port = port; + list_add(&nl->list, &pl->list); + } +} + +u32 tipc_plist_pop(struct tipc_plist *pl) +{ + struct tipc_plist *nl; + u32 port = 0; + + if (likely(list_empty(&pl->list))) { + port = pl->port; + pl->port = 0; + return port; + } + nl = list_first_entry(&pl->list, typeof(*nl), list); + port = nl->port; + list_del(&nl->list); + kfree(nl); + return port; +} |