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

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[ Upstream commit 2c02249fcb ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Daisuke Matsuda
2022-10-21 12:39:21 +02:00
committed by Greg Kroah-Hartman
parent 2985f53b94
commit 0dd2c769e9
1 changed files with 3 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/infiniband/sw/rxe/rxe_resp.c
+3 -7
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@@ -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),
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(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;