From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ursula Braun Subject: [PATCH net-next 08/10] net/smc: avoid a delay by waiting for nothing Date: Thu, 22 Nov 2018 10:26:41 +0100 Message-ID: <20181122092643.26820-9-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: From: Karsten Graul When a send failed then don't start to wait for a response in smc_llc_do_confirm_rkey. Signed-off-by: Karsten Graul Signed-off-by: Ursula Braun --- net/smc/smc_llc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/smc/smc_llc.c b/net/smc/smc_llc.c index 9c916c709ca7..132c6a8e49f8 100644 --- a/net/smc/smc_llc.c +++ b/net/smc/smc_llc.c @@ -651,7 +651,9 @@ int smc_llc_do_confirm_rkey(struct smc_link *link, int rc; reinit_completion(&link->llc_confirm_rkey); - smc_llc_send_confirm_rkey(link, rmb_desc); + rc = smc_llc_send_confirm_rkey(link, rmb_desc); + if (rc) + return rc; /* receive CONFIRM RKEY response from server over RoCE fabric */ rc = wait_for_completion_interruptible_timeout(&link->llc_confirm_rkey, SMC_LLC_WAIT_TIME); -- 2.16.4