diff options
Diffstat (limited to 'net/tipc/name_table.c')
| -rw-r--r-- | net/tipc/name_table.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c index c2224f98e64f..c6a1ae36952e 100644 --- a/net/tipc/name_table.c +++ b/net/tipc/name_table.c @@ -539,10 +539,17 @@ struct publication *tipc_nametbl_remove_publ(u32 type, u32 lower, } /* - * tipc_nametbl_translate - translate name to port id + * tipc_nametbl_translate - perform name translation * - * Note: on entry 'destnode' is the search domain used during translation; - * on exit it passes back the node address of the matching port (if any) + * On entry, 'destnode' is the search domain used during translation. + * + * On exit: + * - if name translation is deferred to another node/cluster/zone, + * leaves 'destnode' unchanged (will be non-zero) and returns 0 + * - if name translation is attempted and succeeds, sets 'destnode' + * to publishing node and returns port reference (will be non-zero) + * - if name translation is attempted and fails, sets 'destnode' to 0 + * and returns 0 */ u32 tipc_nametbl_translate(u32 type, u32 instance, u32 *destnode) @@ -552,6 +559,7 @@ u32 tipc_nametbl_translate(u32 type, u32 instance, u32 *destnode) struct publication *publ; struct name_seq *seq; u32 ref = 0; + u32 node = 0; if (!tipc_in_scope(*destnode, tipc_own_addr)) return 0; @@ -609,11 +617,12 @@ u32 tipc_nametbl_translate(u32 type, u32 instance, u32 *destnode) } ref = publ->ref; - *destnode = publ->node; + node = publ->node; no_match: spin_unlock_bh(&seq->lock); not_found: read_unlock_bh(&tipc_nametbl_lock); + *destnode = node; return ref; } |