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sctp: retran_path update bug fix 

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@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gui Jianfeng 2008-06-04 12:37:33 -07:00 committed by David S. Miller
parent aed5a833fb
commit 4141ddc02a
1 changed files with 12 additions and 9 deletions
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21
net/sctp/associola.c
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@ -1203,6 +1203,9 @@ 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;
@ -1217,6 +1220,15 @@ 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) ||
@ -1229,15 +1241,6 @@ 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;