From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ursula Braun Subject: [PATCH net-next 05/10] net/smc: no link delete for a never active link Date: Thu, 22 Nov 2018 10:26:38 +0100 Message-ID: <20181122092643.26820-6-ubraun@linux.ibm.com> References: <20181122092643.26820-1-ubraun@linux.ibm.com> Return-path: In-Reply-To: <20181122092643.26820-1-ubraun@linux.ibm.com> Sender: netdev-owner@vger.kernel.org List-Archive: List-Post: 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 List-ID: If a link is terminated that has never reached the active state, there is no need to trigger an LLC DELETE LINK. Signed-off-by: Ursula Braun --- net/smc/smc_core.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index 4812ca30f1dc..ec7a7ed3b968 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -173,8 +173,11 @@ static void smc_lgr_free_work(struct work_struct *work) spin_unlock_bh(&smc_lgr_list.lock); if (!lgr->is_smcd && !lgr->terminating) { + struct smc_link *lnk = &lgr->lnk[SMC_SINGLE_LINK]; + /* try to send del link msg, on error free lgr immediately */ - if (!smc_link_send_delete(&lgr->lnk[SMC_SINGLE_LINK])) { + if (lnk->state == SMC_LNK_ACTIVE && + !smc_link_send_delete(lnk)) { /* reschedule in case we never receive a response */ smc_lgr_schedule_free_work(lgr); return; -- 2.16.4