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authorXin Long <lucien.xin@gmail.com>2015-12-30 16:50:47 +0100
committerDavid S. Miller <davem@davemloft.net>2016-01-05 18:24:01 +0100
commit4f0087812648b7611157ae22954acfaed820d24e (patch)
tree51dfe36a54bdf7161e188c3818d6d046d4d66c08 /net/sctp/associola.c
parentsctp: add the rhashtable apis for sctp global transport hashtable (diff)
downloadlinux-4f0087812648b7611157ae22954acfaed820d24e.tar.xz
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sctp: apply rhashtable api to send/recv path
apply lookup apis to two functions, for __sctp_endpoint_lookup_assoc and __sctp_lookup_association, it's invoked in the protection of sock lock, it will be safe, but sctp_lookup_association need to call rcu_read_lock() and to detect the t->dead to protect it. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/associola.c')
-rw-r--r--net/sctp/associola.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 559afd0ee7de..2bf8ec92dde4 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -383,6 +383,7 @@ void sctp_association_free(struct sctp_association *asoc)
list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) {
transport = list_entry(pos, struct sctp_transport, transports);
list_del_rcu(pos);
+ sctp_unhash_transport(transport);
sctp_transport_free(transport);
}
@@ -500,6 +501,8 @@ void sctp_assoc_rm_peer(struct sctp_association *asoc,
/* Remove this peer from the list. */
list_del_rcu(&peer->transports);
+ /* Remove this peer from the transport hashtable */
+ sctp_unhash_transport(peer);
/* Get the first transport of asoc. */
pos = asoc->peer.transport_addr_list.next;
@@ -699,6 +702,8 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
/* Attach the remote transport to our asoc. */
list_add_tail_rcu(&peer->transports, &asoc->peer.transport_addr_list);
asoc->peer.transport_count++;
+ /* Add this peer into the transport hashtable */
+ sctp_hash_transport(peer);
/* If we do not yet have a primary path, set one. */
if (!asoc->peer.primary_path) {