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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Xin Long <lucien.xin@gmail.com>,
        Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>,
        Neil Horman <nhorman@tuxdriver.com>,
        "David S. Miller" <davem@davemloft.net>
Subject: [PATCH 4.9 09/74] sctp: use transport pf_retrans in sctp_do_8_2_transport_strike
Date:   Fri, 20 Sep 2019 00:03:22 +0200
Message-Id: <20190919214803.931884674@linuxfoundation.org>
In-Reply-To: <20190919214800.519074117@linuxfoundation.org>
References: <20190919214800.519074117@linuxfoundation.org>
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From: Xin Long <lucien.xin@gmail.com>

[ Upstream commit 10eb56c582c557c629271f1ee31e15e7a9b2558b ]

Transport should use its own pf_retrans to do the error_count
check, instead of asoc's. Otherwise, it's meaningless to make
pf_retrans per transport.

Fixes: 5aa93bcf66f4 ("sctp: Implement quick failover draft from tsvwg")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/sctp/sm_sideeffect.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -509,7 +509,7 @@ static void sctp_do_8_2_transport_strike
 	if (net->sctp.pf_enable &&
 	   (transport->state == SCTP_ACTIVE) &&
 	   (transport->error_count < transport->pathmaxrxt) &&
-	   (transport->error_count > asoc->pf_retrans)) {
+	   (transport->error_count > transport->pf_retrans)) {
 
 		sctp_assoc_control_transport(asoc, transport,
 					     SCTP_TRANSPORT_PF,