From: Daisuke Matsuda <matsuda-daisuke@fujitsu.com>
Date: Mon, 29 Aug 2022 16:12:18 +0900
Subject: RDMA/rxe: Delete error messages triggered by incoming Read requests
Patch-mainline: v6.1-rc1
Git-commit: 2c02249fcbfc066bd33e2a7375c7006d4cb367f6
References: jsc#PED-1111

An incoming Read request causes multiple Read responses. If a user MR to
copy data from is unavailable or responder cannot send a reply, then the
error messages can be printed for each response attempt, resulting in
message overflow.

Link: https://lore.kernel.org/r/20220829071218.1639065-1-matsuda-daisuke@fujitsu.com
Signed-off-by: Daisuke Matsuda <matsuda-daisuke@fujitsu.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/sw/rxe/rxe_resp.c |   10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -809,10 +809,8 @@ static enum resp_states read_reply(struc
 	if (!skb)
 		return RESPST_ERR_RNR;
 
-	err = rxe_mr_copy(mr, res->read.va, payload_addr(&ack_pkt),
-			  payload, RXE_FROM_MR_OBJ);
-	if (err)
-		pr_err("Failed copying memory\n");
+	rxe_mr_copy(mr, res->read.va, payload_addr(&ack_pkt),
+		    payload, RXE_FROM_MR_OBJ);
 	if (mr)
 		rxe_put(mr);
 
@@ -823,10 +821,8 @@ static enum resp_states read_reply(struc
 	}
 
 	err = rxe_xmit_packet(qp, &ack_pkt, skb);
-	if (err) {
-		pr_err("Failed sending RDMA reply.\n");
+	if (err)
 		return RESPST_ERR_RNR;
-	}
 
 	res->read.va += payload;
 	res->read.resid -= payload;