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From: Ursula Braun <ubraun@linux.ibm.com>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org, linux-s390@vger.kernel.org,
	schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com,
	raspl@linux.ibm.com, ubraun@linux.ibm.com
Subject: [PATCH net-next 09/10] net/smc: drop messages when link state is inactive
Date: Tue, 15 May 2018 17:05:02 +0200	[thread overview]
Message-ID: <20180515150503.47265-10-ubraun@linux.ibm.com> (raw)
In-Reply-To: <20180515150503.47265-1-ubraun@linux.ibm.com>

From: Karsten Graul <kgraul@linux.ibm.com>

Drop incoming messages when the link is flagged as inactive.

Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
---
 net/smc/smc_llc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/smc/smc_llc.c b/net/smc/smc_llc.c
index 5d7926cc472c..5800a6b43d83 100644
--- a/net/smc/smc_llc.c
+++ b/net/smc/smc_llc.c
@@ -548,6 +548,8 @@ static void smc_llc_rx_handler(struct ib_wc *wc, void *buf)
 		return; /* short message */
 	if (llc->raw.hdr.length != sizeof(*llc))
 		return; /* invalid message */
+	if (link->state == SMC_LNK_INACTIVE)
+		return; /* link not active, drop msg */
 
 	switch (llc->raw.hdr.common.type) {
 	case SMC_LLC_TEST_LINK:
-- 
2.16.3

  parent reply	other threads:[~2018-05-15 15:05 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-15 15:04 [PATCH net-next 00/10] net/smc: enhancements 2018/05/15 Ursula Braun
2018-05-15 15:04 ` [PATCH net-next 01/10] net/smc: no tx work trigger for fallback sockets Ursula Braun
2018-05-15 15:04 ` [PATCH net-next 02/10] net/smc: register new rmbs with the peer Ursula Braun
2018-05-15 15:04 ` [PATCH net-next 03/10] net/smc: remove unnecessary cast Ursula Braun
2018-05-15 15:04 ` [PATCH net-next 04/10] net/smc: simplify test_link function usage Ursula Braun
2018-05-15 15:04 ` [PATCH net-next 05/10] net/smc: move link llc initialization to llc layer Ursula Braun
2018-05-15 15:04 ` [PATCH net-next 06/10] net/smc: use a workqueue to defer llc send Ursula Braun
2018-05-15 15:05 ` [PATCH net-next 07/10] net/smc: handle all error codes from smc_conn_create() Ursula Braun
2018-05-15 15:05 ` [PATCH net-next 08/10] net/smc: set link inactive before calling smc_lgr_free() Ursula Braun
2018-05-15 15:05 ` Ursula Braun [this message]
2018-05-15 15:05 ` [PATCH net-next 10/10] net/smc: check for pending termination Ursula Braun
2018-05-16 15:51 ` [PATCH net-next 00/10] net/smc: enhancements 2018/05/15 David Miller

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