netdev - [PATCH net-next 1/3] sctp: Fix the SNMP number of SCTP_MIB

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Date:	Thu,  9 Oct 2008 09:29:33 -0400
From:	Vlad Yasevich <vladislav.yasevich@...com>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, linux-sctp@...r.kernel.org,
	Wei Yongjun <yjwei@...fujitsu.com>,
	Vlad Yasevich <vladislav.yasevich@...com>
Subject: [PATCH net-next 1/3] sctp: Fix the SNMP number of SCTP_MIB_CURRESTAB

From: Wei Yongjun <yjwei@...fujitsu.com>

RFC3873 defined SCTP_MIB_CURRESTAB:
  sctpCurrEstab OBJECT-TYPE
    SYNTAX         Gauge32
    MAX-ACCESS     read-only
    STATUS         current
    DESCRIPTION
         "The number of associations for which the current state is
         either ESTABLISHED, SHUTDOWN-RECEIVED or SHUTDOWN-PENDING."
    REFERENCE
         "Section 4 in RFC2960 covers the SCTP   Association state
         diagram."

If the T4 RTO timer expires many times(timeout), the association will enter
CLOSED state, so we should dec the number of SCTP_MIB_CURRESTAB, not inc the
number of SCTP_MIB_CURRESTAB.

Signed-off-by: Wei Yongjun <yjwei@...fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@...com>
---
 net/sctp/sm_statefuns.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index ea3a34c..1588d06 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -5436,7 +5436,7 @@ sctp_disposition_t sctp_sf_t4_timer_expire(
 		sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
 				SCTP_PERR(SCTP_ERROR_NO_ERROR));
 		SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
-		SCTP_INC_STATS(SCTP_MIB_CURRESTAB);
+		SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
 		return SCTP_DISPOSITION_ABORT;
 	}
 
-- 
1.5.3.5

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