From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ursula Braun Subject: [PATCH net-next 09/10] net/smc: drop messages when link state is inactive Date: Tue, 15 May 2018 17:05:02 +0200 Message-ID: <20180515150503.47265-10-ubraun@linux.ibm.com> References: <20180515150503.47265-1-ubraun@linux.ibm.com> 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 To: davem@davemloft.net Return-path: Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:44312 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752627AbeEOPFZ (ORCPT ); Tue, 15 May 2018 11:05:25 -0400 Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w4FF0Ktb026967 for ; Tue, 15 May 2018 11:05:24 -0400 Received: from e06smtp15.uk.ibm.com (e06smtp15.uk.ibm.com [195.75.94.111]) by mx0a-001b2d01.pphosted.com with ESMTP id 2j0085wtdh-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 15 May 2018 11:05:23 -0400 Received: from localhost by e06smtp15.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 15 May 2018 16:05:20 +0100 In-Reply-To: <20180515150503.47265-1-ubraun@linux.ibm.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Karsten Graul Drop incoming messages when the link is flagged as inactive. Signed-off-by: Karsten Graul Signed-off-by: Ursula Braun --- 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