Commit 2c02249f authored by Daisuke Matsuda's avatar Daisuke Matsuda Committed by Leon Romanovsky
Browse files

RDMA/rxe: Delete error messages triggered by incoming Read requests 

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: default avatarDaisuke Matsuda <matsuda-daisuke@fujitsu.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent f0785358

drivers/infiniband/sw/rxe/rxe_resp.c

+3 −7
Original line number Diff line number Diff line
@@ -809,10 +809,8 @@ static enum resp_states read_reply(struct rxe_qp *qp, 
	if (!skb)

		return RESPST_ERR_RNR;



	err = rxe_mr_copy(mr, res->read.va, payload_addr(&ack_pkt),

	rxe_mr_copy(mr, res->read.va, payload_addr(&ack_pkt),

		    payload, RXE_FROM_MR_OBJ);

	if (err)

		pr_err("Failed copying memory\n");

	if (mr)

		rxe_put(mr);
@@ -823,10 +821,8 @@ static enum resp_states read_reply(struct rxe_qp *qp, 
	}



	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;