From: Karsten Graul <kgraul@linux.ibm.com>
Date: Thu, 22 Nov 2018 09:26:41 +0000 (+0100)
Subject: net/smc: avoid a delay by waiting for nothing
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=4600cfc302f70f2b4d89818b4d4c79bd19e5ab87;p=openwrt%2Fstaging%2Fblogic.git

net/smc: avoid a delay by waiting for nothing

When a send failed then don't start to wait for a response in
smc_llc_do_confirm_rkey.

Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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);