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From: Jack Wang <jinpu.wang@cloud.ionos.com>
To: linux-rdma@vger.kernel.org
Cc: bvanassche@acm.org, leon@kernel.org, dledford@redhat.com,
	jgg@ziepe.ca, danil.kipnis@cloud.ionos.com,
	jinpu.wang@cloud.ionos.com, Gioh Kim <gi-oh.kim@cloud.ionos.com>
Subject: [PATCHv2 for-next 09/12] RDMA/rtrs-clt: remove duplicated code
Date: Fri, 23 Oct 2020 09:43:50 +0200	[thread overview]
Message-ID: <20201023074353.21946-10-jinpu.wang@cloud.ionos.com> (raw)
In-Reply-To: <20201023074353.21946-1-jinpu.wang@cloud.ionos.com>

From: Gioh Kim <gi-oh.kim@cloud.ionos.com>

process_info_rsp checks that sg_cnt is zero twice.

Signed-off-by: Gioh Kim <gi-oh.kim@cloud.ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com>
---
 drivers/infiniband/ulp/rtrs/rtrs-clt.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
index 30eda2f355e1..1b2821d71b46 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -2264,8 +2264,12 @@ static int process_info_rsp(struct rtrs_clt_sess *sess,
 	int i, sgi;
 
 	sg_cnt = le16_to_cpu(msg->sg_cnt);
-	if (unlikely(!sg_cnt))
+	if (unlikely(!sg_cnt || (sess->queue_depth % sg_cnt))) {
+		rtrs_err(sess->clt, "Incorrect sg_cnt %d, is not multiple\n",
+			  sg_cnt);
 		return -EINVAL;
+	}
+
 	/*
 	 * Check if IB immediate data size is enough to hold the mem_id and
 	 * the offset inside the memory chunk.
@@ -2278,11 +2282,6 @@ static int process_info_rsp(struct rtrs_clt_sess *sess,
 			  MAX_IMM_PAYL_BITS, sg_cnt, sess->chunk_size);
 		return -EINVAL;
 	}
-	if (unlikely(!sg_cnt || (sess->queue_depth % sg_cnt))) {
-		rtrs_err(sess->clt, "Incorrect sg_cnt %d, is not multiple\n",
-			  sg_cnt);
-		return -EINVAL;
-	}
 	total_len = 0;
 	for (sgi = 0, i = 0; sgi < sg_cnt && i < sess->queue_depth; sgi++) {
 		const struct rtrs_sg_desc *desc = &msg->desc[sgi];
-- 
2.25.1


  parent reply	other threads:[~2020-10-23  7:44 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-23  7:43 [PATCHv2 for-next 00/12] rtrs: misc fix and cleanup Jack Wang
2020-10-23  7:43 ` [PATCHv2 for-next 01/12] RDMA/rtrs-clt: remove destroy_con_cq_qp in case route resolving failed Jack Wang
2020-10-23  7:43 ` [PATCHv2 for-next 02/12] RDMA/rtrs-clt: remove outdated comment in create_con_cq_qp Jack Wang
2020-10-23  7:43 ` [PATCHv2 for-next 03/12] RDMA/rtrs-clt: avoid run destroy_con_cq_qp/create_con_cq_qp in parallel Jack Wang
2020-10-23  7:43 ` [PATCHv2 for-next 04/12] RDMA/rtrs-clt: missing error from rtrs_rdma_conn_established Jack Wang
2020-10-23  7:43 ` [PATCHv2 for-next 05/12] RDMA/rtrs-srv: don't guard the whole __alloc_srv with srv_mutex Jack Wang
2020-10-23  7:43 ` [PATCHv2 for-next 06/12] RDMA/rtrs-srv: fix typo Jack Wang
2020-10-23  7:43 ` [PATCHv2 for-next 07/12] RDMA/rtrs: remove unnecessary argument dir of rtrs_iu_free Jack Wang
2020-10-23  7:43 ` [PATCHv2 for-next 08/12] RDMA/rtrs-clt: remove duplicated switch-case handling for CM error events Jack Wang
2020-10-23  7:43 ` Jack Wang [this message]
2020-10-23  7:43 ` [PATCHv2 for-next 10/12] RDMA/rtrs-srv: kill rtrs_srv_change_state_get_old Jack Wang
2020-10-23  7:43 ` [PATCHv2 for-next 11/12] RDMA/rtrs: introduce rtrs_post_send Jack Wang
2020-10-23  7:43 ` [PATCHv2 for-next 12/12] RDMA/rtrs-clt: remove 'addr' from rtrs_clt_add_path_to_arr Jack Wang
2020-10-28 16:28 ` [PATCHv2 for-next 00/12] rtrs: misc fix and cleanup Jason Gunthorpe

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