netdev - [PATCH] sctp: do not mark chunk abandoned if peer has no PRSCTP capable

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Date:	Thu, 03 Mar 2011 12:20:51 +0800
From:	Wei Yongjun <yjwei@...fujitsu.com>
To:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	lksctp <linux-sctp@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	Vlad Yasevich <vladislav.yasevich@...com>
Subject: [PATCH] sctp: do not mark chunk abandoned if peer has no PRSCTP capable

Chunk is marked abandoned if the chunk is expires, and it not be
retransmited even if the peer has no PRSCTP capable, but the peer
will still wait for retransmit it to update CTSN.
This patch disable mark chunk abandoned if peer has no PRSCTP
capable.

Signed-off-by: Wei Yongjun <yjwei@...fujitsu.com>
---
 net/sctp/chunk.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
index 6c85564..0d4832d 100644
--- a/net/sctp/chunk.c
+++ b/net/sctp/chunk.c
@@ -347,6 +347,9 @@ int sctp_chunk_abandoned(struct sctp_chunk *chunk)
 {
 	struct sctp_datamsg *msg = chunk->msg;
 
+	if (!chunk->asoc->peer.prsctp_capable)
+		return 0;
+
 	if (!msg->can_abandon)
 		return 0;
 
-- 
1.6.5.2


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