From: oulijun <oulijun@huawei.com>
Date: Fri, 4 May 2018 02:57:09 +0000 (+0800)
Subject: RDMA/hns: Fix the bug with rq sge
X-Git-Tag: v4.17-rc7~14^2~13
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=778cc5a8b75eee62d330059a2655b515cda43278;p=thirdparty%2Fkernel%2Flinux.git

RDMA/hns: Fix the bug with rq sge

When received multiply rq sge, it should tag the
invalid lkey for the last non-zero length sge
when have some sges' length are zero. This patch
fixes it.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
---

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 539b0caacb9fa..a40978bbc1d01 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -547,8 +547,8 @@ static int hns_roce_v2_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
 		}
 
 		if (i < hr_qp->rq.max_gs) {
-			dseg[i].lkey = cpu_to_le32(HNS_ROCE_INVALID_LKEY);
-			dseg[i].addr = 0;
+			dseg->lkey = cpu_to_le32(HNS_ROCE_INVALID_LKEY);
+			dseg->addr = 0;
 		}
 
 		/* rq support inline data */