diff options
Diffstat (limited to 'net/sctp/socket.c')
| -rw-r--r-- | net/sctp/socket.c | 40 |
1 files changed, 25 insertions, 15 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 1b00a1e09b93..d4730ada7f32 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -4658,29 +4658,39 @@ int sctp_transport_lookup_process(int (*cb)(struct sctp_transport *, void *), EXPORT_SYMBOL_GPL(sctp_transport_lookup_process); int sctp_for_each_transport(int (*cb)(struct sctp_transport *, void *), - struct net *net, int pos, void *p) { + int (*cb_done)(struct sctp_transport *, void *), + struct net *net, int *pos, void *p) { struct rhashtable_iter hti; - void *obj; - int err; - - err = sctp_transport_walk_start(&hti); - if (err) - return err; + struct sctp_transport *tsp; + int ret; - obj = sctp_transport_get_idx(net, &hti, pos + 1); - for (; !IS_ERR_OR_NULL(obj); obj = sctp_transport_get_next(net, &hti)) { - struct sctp_transport *transport = obj; +again: + ret = sctp_transport_walk_start(&hti); + if (ret) + return ret; - if (!sctp_transport_hold(transport)) + tsp = sctp_transport_get_idx(net, &hti, *pos + 1); + for (; !IS_ERR_OR_NULL(tsp); tsp = sctp_transport_get_next(net, &hti)) { + if (!sctp_transport_hold(tsp)) continue; - err = cb(transport, p); - sctp_transport_put(transport); - if (err) + ret = cb(tsp, p); + if (ret) break; + (*pos)++; + sctp_transport_put(tsp); } sctp_transport_walk_stop(&hti); - return err; + if (ret) { + if (cb_done && !cb_done(tsp, p)) { + (*pos)++; + sctp_transport_put(tsp); + goto again; + } + sctp_transport_put(tsp); + } + + return ret; } EXPORT_SYMBOL_GPL(sctp_for_each_transport); |