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author | David S. Miller <davem@davemloft.net> | 2018-04-21 16:31:52 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2018-04-21 16:32:48 -0400 |
commit | e0ada51db907ed2db5d46ad7ff86a8b5df68e59b (patch) | |
tree | 858966cee69ad8a50e59c4e02dcbde6ba2916151 /net/tipc | |
parent | 0638eb573cde5888c0886c7f35da604e5db209a6 (diff) | |
parent | 83beed7b2b26f232d782127792dd0cd4362fdc41 (diff) | |
download | linux-e0ada51db907ed2db5d46ad7ff86a8b5df68e59b.tar.gz linux-e0ada51db907ed2db5d46ad7ff86a8b5df68e59b.tar.bz2 linux-e0ada51db907ed2db5d46ad7ff86a8b5df68e59b.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts were simple overlapping changes in microchip
driver.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc')
-rw-r--r-- | net/tipc/monitor.c | 2 | ||||
-rw-r--r-- | net/tipc/name_table.c | 34 | ||||
-rw-r--r-- | net/tipc/name_table.h | 2 | ||||
-rw-r--r-- | net/tipc/net.c | 2 | ||||
-rw-r--r-- | net/tipc/netlink.c | 5 | ||||
-rw-r--r-- | net/tipc/node.c | 11 | ||||
-rw-r--r-- | net/tipc/socket.c | 4 | ||||
-rw-r--r-- | net/tipc/subscr.c | 5 |
8 files changed, 40 insertions, 25 deletions
diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c index 32dc33a94bc7..5453e564da82 100644 --- a/net/tipc/monitor.c +++ b/net/tipc/monitor.c @@ -777,7 +777,7 @@ int __tipc_nl_add_monitor(struct net *net, struct tipc_nl_msg *msg, ret = tipc_bearer_get_name(net, bearer_name, bearer_id); if (ret || !mon) - return -EINVAL; + return 0; hdr = genlmsg_put(msg->skb, msg->portid, msg->seq, &tipc_genl_family, NLM_F_MULTI, TIPC_NL_MON_GET); diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c index b1fe20972aa9..dd1c4fa2eb78 100644 --- a/net/tipc/name_table.c +++ b/net/tipc/name_table.c @@ -241,7 +241,8 @@ err: static struct publication *tipc_service_remove_publ(struct net *net, struct tipc_service *sc, u32 lower, u32 upper, - u32 node, u32 key) + u32 node, u32 key, + struct service_range **rng) { struct tipc_subscription *sub, *tmp; struct service_range *sr; @@ -275,19 +276,15 @@ static struct publication *tipc_service_remove_publ(struct net *net, list_del(&p->all_publ); list_del(&p->local_publ); - - /* Remove service range item if this was its last publication */ - if (list_empty(&sr->all_publ)) { + if (list_empty(&sr->all_publ)) last = true; - rb_erase(&sr->tree_node, &sc->ranges); - kfree(sr); - } /* Notify any waiting subscriptions */ list_for_each_entry_safe(sub, tmp, &sc->subscriptions, service_list) { tipc_sub_report_overlap(sub, p->lower, p->upper, TIPC_WITHDRAWN, p->port, p->node, p->scope, last); } + *rng = sr; return p; } @@ -379,13 +376,20 @@ struct publication *tipc_nametbl_remove_publ(struct net *net, u32 type, u32 node, u32 key) { struct tipc_service *sc = tipc_service_find(net, type); + struct service_range *sr = NULL; struct publication *p = NULL; if (!sc) return NULL; spin_lock_bh(&sc->lock); - p = tipc_service_remove_publ(net, sc, lower, upper, node, key); + p = tipc_service_remove_publ(net, sc, lower, upper, node, key, &sr); + + /* Remove service range item if this was its last publication */ + if (sr && list_empty(&sr->all_publ)) { + rb_erase(&sr->tree_node, &sc->ranges); + kfree(sr); + } /* Delete service item if this no more publications and subscriptions */ if (RB_EMPTY_ROOT(&sc->ranges) && list_empty(&sc->subscriptions)) { @@ -665,13 +669,14 @@ int tipc_nametbl_withdraw(struct net *net, u32 type, u32 lower, /** * tipc_nametbl_subscribe - add a subscription object to the name table */ -void tipc_nametbl_subscribe(struct tipc_subscription *sub) +bool tipc_nametbl_subscribe(struct tipc_subscription *sub) { struct name_table *nt = tipc_name_table(sub->net); struct tipc_net *tn = tipc_net(sub->net); struct tipc_subscr *s = &sub->evt.s; u32 type = tipc_sub_read(s, seq.type); struct tipc_service *sc; + bool res = true; spin_lock_bh(&tn->nametbl_lock); sc = tipc_service_find(sub->net, type); @@ -685,8 +690,10 @@ void tipc_nametbl_subscribe(struct tipc_subscription *sub) pr_warn("Failed to subscribe for {%u,%u,%u}\n", type, tipc_sub_read(s, seq.lower), tipc_sub_read(s, seq.upper)); + res = false; } spin_unlock_bh(&tn->nametbl_lock); + return res; } /** @@ -744,16 +751,17 @@ int tipc_nametbl_init(struct net *net) static void tipc_service_delete(struct net *net, struct tipc_service *sc) { struct service_range *sr, *tmpr; - struct publication *p, *tmpb; + struct publication *p, *tmp; spin_lock_bh(&sc->lock); rbtree_postorder_for_each_entry_safe(sr, tmpr, &sc->ranges, tree_node) { - list_for_each_entry_safe(p, tmpb, - &sr->all_publ, all_publ) { + list_for_each_entry_safe(p, tmp, &sr->all_publ, all_publ) { tipc_service_remove_publ(net, sc, p->lower, p->upper, - p->node, p->key); + p->node, p->key, &sr); kfree_rcu(p, rcu); } + rb_erase(&sr->tree_node, &sc->ranges); + kfree(sr); } hlist_del_init_rcu(&sc->service_list); spin_unlock_bh(&sc->lock); diff --git a/net/tipc/name_table.h b/net/tipc/name_table.h index 4b14fc28d9e2..0febba41da86 100644 --- a/net/tipc/name_table.h +++ b/net/tipc/name_table.h @@ -126,7 +126,7 @@ struct publication *tipc_nametbl_insert_publ(struct net *net, u32 type, struct publication *tipc_nametbl_remove_publ(struct net *net, u32 type, u32 lower, u32 upper, u32 node, u32 key); -void tipc_nametbl_subscribe(struct tipc_subscription *s); +bool tipc_nametbl_subscribe(struct tipc_subscription *s); void tipc_nametbl_unsubscribe(struct tipc_subscription *s); int tipc_nametbl_init(struct net *net); void tipc_nametbl_stop(struct net *net); diff --git a/net/tipc/net.c b/net/tipc/net.c index 856f9e97ea29..4fbaa0464405 100644 --- a/net/tipc/net.c +++ b/net/tipc/net.c @@ -252,6 +252,8 @@ int __tipc_nl_net_set(struct sk_buff *skb, struct genl_info *info) u64 *w0 = (u64 *)&node_id[0]; u64 *w1 = (u64 *)&node_id[8]; + if (!attrs[TIPC_NLA_NET_NODEID_W1]) + return -EINVAL; *w0 = nla_get_u64(attrs[TIPC_NLA_NET_NODEID]); *w1 = nla_get_u64(attrs[TIPC_NLA_NET_NODEID_W1]); tipc_net_init(net, node_id, 0); diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c index b76f13f6fea1..6ff2254088f6 100644 --- a/net/tipc/netlink.c +++ b/net/tipc/netlink.c @@ -79,7 +79,10 @@ const struct nla_policy tipc_nl_sock_policy[TIPC_NLA_SOCK_MAX + 1] = { const struct nla_policy tipc_nl_net_policy[TIPC_NLA_NET_MAX + 1] = { [TIPC_NLA_NET_UNSPEC] = { .type = NLA_UNSPEC }, - [TIPC_NLA_NET_ID] = { .type = NLA_U32 } + [TIPC_NLA_NET_ID] = { .type = NLA_U32 }, + [TIPC_NLA_NET_ADDR] = { .type = NLA_U32 }, + [TIPC_NLA_NET_NODEID] = { .type = NLA_U64 }, + [TIPC_NLA_NET_NODEID_W1] = { .type = NLA_U64 }, }; const struct nla_policy tipc_nl_link_policy[TIPC_NLA_LINK_MAX + 1] = { diff --git a/net/tipc/node.c b/net/tipc/node.c index b71e4e376bb9..e9c52e1416c5 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -2238,8 +2238,8 @@ int tipc_nl_node_dump_monitor(struct sk_buff *skb, struct netlink_callback *cb) struct net *net = sock_net(skb->sk); u32 prev_bearer = cb->args[0]; struct tipc_nl_msg msg; + int bearer_id; int err; - int i; if (prev_bearer == MAX_BEARERS) return 0; @@ -2249,16 +2249,13 @@ int tipc_nl_node_dump_monitor(struct sk_buff *skb, struct netlink_callback *cb) msg.seq = cb->nlh->nlmsg_seq; rtnl_lock(); - for (i = prev_bearer; i < MAX_BEARERS; i++) { - prev_bearer = i; + for (bearer_id = prev_bearer; bearer_id < MAX_BEARERS; bearer_id++) { err = __tipc_nl_add_monitor(net, &msg, prev_bearer); if (err) - goto out; + break; } - -out: rtnl_unlock(); - cb->args[0] = prev_bearer; + cb->args[0] = bearer_id; return skb->len; } diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 1fd1c8b5ce03..252a52ae0893 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -1278,7 +1278,7 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen) struct tipc_msg *hdr = &tsk->phdr; struct tipc_name_seq *seq; struct sk_buff_head pkts; - u32 dnode, dport; + u32 dport, dnode = 0; u32 type, inst; int mtu, rc; @@ -1348,6 +1348,8 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen) msg_set_destnode(hdr, dnode); msg_set_destport(hdr, dest->addr.id.ref); msg_set_hdr_sz(hdr, BASIC_H_SIZE); + } else { + return -EINVAL; } /* Block or return if destination link is congested */ diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c index b7d80bc5f4ab..f340e53da625 100644 --- a/net/tipc/subscr.c +++ b/net/tipc/subscr.c @@ -153,7 +153,10 @@ struct tipc_subscription *tipc_sub_subscribe(struct net *net, memcpy(&sub->evt.s, s, sizeof(*s)); spin_lock_init(&sub->lock); kref_init(&sub->kref); - tipc_nametbl_subscribe(sub); + if (!tipc_nametbl_subscribe(sub)) { + kfree(sub); + return NULL; + } timer_setup(&sub->timer, tipc_sub_timeout, 0); timeout = tipc_sub_read(&sub->evt.s, timeout); if (timeout != TIPC_WAIT_FOREVER) |