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Diffstat (limited to 'net/sctp')
-rw-r--r--net/sctp/input.c8
-rw-r--r--net/sctp/protocol.c4
-rw-r--r--net/sctp/sm_statefuns.c19
-rw-r--r--net/sctp/socket.c2
4 files changed, 25 insertions, 8 deletions
diff --git a/net/sctp/input.c b/net/sctp/input.c
index c1b991294516..b6493b3f11a9 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -133,9 +133,13 @@ int sctp_rcv(struct sk_buff *skb)
__skb_pull(skb, skb_transport_offset(skb));
if (skb->len < sizeof(struct sctphdr))
goto discard_it;
- if (!sctp_checksum_disable && !skb_csum_unnecessary(skb) &&
- sctp_rcv_checksum(net, skb) < 0)
+
+ skb->csum_valid = 0; /* Previous value not applicable */
+ if (skb_csum_unnecessary(skb))
+ __skb_decr_checksum_unnecessary(skb);
+ else if (!sctp_checksum_disable && sctp_rcv_checksum(net, skb) < 0)
goto discard_it;
+ skb->csum_valid = 1;
skb_pull(skb, sizeof(struct sctphdr));
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 6240834f4b95..8f34b27d5775 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -366,7 +366,7 @@ static int sctp_v4_available(union sctp_addr *addr, struct sctp_sock *sp)
if (addr->v4.sin_addr.s_addr != htonl(INADDR_ANY) &&
ret != RTN_LOCAL &&
!sp->inet.freebind &&
- !sysctl_ip_nonlocal_bind)
+ !net->ipv4.sysctl_ip_nonlocal_bind)
return 0;
if (ipv6_only_sock(sctp_opt2sk(sp)))
@@ -1341,7 +1341,7 @@ static __init int sctp_init(void)
if (!sctp_chunk_cachep)
goto err_chunk_cachep;
- status = percpu_counter_init(&sctp_sockets_allocated, 0);
+ status = percpu_counter_init(&sctp_sockets_allocated, 0, GFP_KERNEL);
if (status)
goto err_percpu_counter_init;
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index d3f1ea460c50..c8f606324134 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -1775,9 +1775,22 @@ static sctp_disposition_t sctp_sf_do_dupcook_a(struct net *net,
/* Update the content of current association. */
sctp_add_cmd_sf(commands, SCTP_CMD_UPDATE_ASSOC, SCTP_ASOC(new_asoc));
sctp_add_cmd_sf(commands, SCTP_CMD_EVENT_ULP, SCTP_ULPEVENT(ev));
- sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
- SCTP_STATE(SCTP_STATE_ESTABLISHED));
- sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
+ if (sctp_state(asoc, SHUTDOWN_PENDING) &&
+ (sctp_sstate(asoc->base.sk, CLOSING) ||
+ sock_flag(asoc->base.sk, SOCK_DEAD))) {
+ /* if were currently in SHUTDOWN_PENDING, but the socket
+ * has been closed by user, don't transition to ESTABLISHED.
+ * Instead trigger SHUTDOWN bundled with COOKIE_ACK.
+ */
+ sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
+ return sctp_sf_do_9_2_start_shutdown(net, ep, asoc,
+ SCTP_ST_CHUNK(0), NULL,
+ commands);
+ } else {
+ sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
+ SCTP_STATE(SCTP_STATE_ESTABLISHED));
+ sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
+ }
return SCTP_DISPOSITION_CONSUME;
nomem_ev:
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index eb71d49e7653..634a2abb5f3a 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4243,7 +4243,7 @@ static int sctp_getsockopt_sctp_status(struct sock *sk, int len,
transport = asoc->peer.primary_path;
status.sstat_assoc_id = sctp_assoc2id(asoc);
- status.sstat_state = asoc->state;
+ status.sstat_state = sctp_assoc_to_state(asoc);
status.sstat_rwnd = asoc->peer.rwnd;
status.sstat_unackdata = asoc->unack_data;