If the current retran_path is the only active one, it should
update it to the the next inactive one.
Signed-off-by: Gui Jianfeng <guijianfeng@xxxxxxxxxxxxxx>
---
net/sctp/associola.c | 21 ++++++++++++---------
1 files changed, 12 insertions(+), 9 deletions(-)
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index d29f792..4ae1f8b 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -1208,6 +1208,9 @@ void sctp_assoc_update_retran_path(struct sctp_association *asoc)
struct list_head *head = &asoc->peer.transport_addr_list;
struct list_head *pos;
+ if (asoc->peer.transport_count == 1)
+ return;
+
/* Find the next transport in a round-robin fashion. */
t = asoc->peer.retran_path;
pos = &t->transports;
@@ -1222,6 +1225,15 @@ void sctp_assoc_update_retran_path(struct sctp_association *asoc)
t = list_entry(pos, struct sctp_transport, transports);
+ /* We have exhausted the list, but didn't find any
+ * other active transports. If so, use the next
+ * transport.
+ */
+ if (t == asoc->peer.retran_path) {
+ t = next;
+ break;
+ }
+
/* Try to find an active transport. */
if ((t->state == SCTP_ACTIVE) ||
@@ -1234,15 +1246,6 @@ void sctp_assoc_update_retran_path(struct sctp_association *asoc)
if (!next)
next = t;
}
-
- /* We have exhausted the list, but didn't find any
- * other active transports. If so, use the next
- * transport.
- */
- if (t == asoc->peer.retran_path) {
- t = next;
- break;
- }
}
asoc->peer.retran_path = t;
--
1.5.3
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