Re-establish the previous behavior and avoid hashing temporary asocs by
checking t->asoc->temp in sctp_(un)hash_transport. Also, remove the
check of t->asoc->temp in __sctp_lookup_association, since they are
never hashed now.
Fixes: 4f0087812648 ("sctp: apply rhashtable api to send/recv path")
Signed-off-by: Xin Long <lucien.xin@xxxxxxxxx>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@xxxxxxxxx>
Reported-by: Vlad Yasevich <vyasevich@xxxxxxxxx>
---
net/sctp/endpointola.c | 2 +-
net/sctp/input.c | 8 +++++++-
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
index 52838ea..2522a61 100644
--- a/net/sctp/endpointola.c
+++ b/net/sctp/endpointola.c
@@ -333,7 +333,7 @@ struct sctp_association *sctp_endpoint_lookup_assoc(
if (!ep->base.bind_addr.port)
goto out;
t = sctp_epaddr_lookup_transport(ep, paddr);
- if (!t || t->asoc->temp)
+ if (!t)
goto out;
*transport = t;
diff --git a/net/sctp/input.c b/net/sctp/input.c
index b9a536b..bf61dfb 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -874,6 +874,9 @@ void sctp_hash_transport(struct sctp_transport *t)
{
struct sctp_hash_cmp_arg arg;
+ if (t->asoc->temp)
+ return;
+
arg.ep = t->asoc->ep;
arg.paddr = &t->ipaddr;
arg.net = sock_net(t->asoc->base.sk);
@@ -886,6 +889,9 @@ reinsert:
void sctp_unhash_transport(struct sctp_transport *t)
{
+ if (t->asoc->temp)
+ return;
+
rhashtable_remove_fast(&sctp_transport_hashtable, &t->node,
sctp_hash_params);
}
@@ -931,7 +937,7 @@ static struct sctp_association *__sctp_lookup_association(
struct sctp_transport *t;
t = sctp_addrs_lookup_transport(net, local, peer);
- if (!t || t->dead || t->asoc->temp)
+ if (!t || t->dead)
return NULL;
sctp_association_hold(t->asoc);
--
2.1.0
--
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