diff options
| author | Lijun Ou <oulijun@huawei.com> | 2017-09-29 17:10:10 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-09-29 18:09:21 +0200 |
| commit | 512f4f1653e63b6efbdccb296b812fa809b7c95c (patch) | |
| tree | 653294b20217ffa104708ab9bddd8fa49bdac6a1 /drivers/infiniband/hw/hns | |
| parent | RDMA/hns: Check return value of kzalloc (diff) | |
| download | linux-512f4f1653e63b6efbdccb296b812fa809b7c95c.tar.xz linux-512f4f1653e63b6efbdccb296b812fa809b7c95c.zip | |
RDMA/hns: Only assign dest_qp if IB_QP_DEST_QPN bit is set
Only when the IB_QP_DEST_QPN flag of attr_mask is set is it valid to
assign the dest_qp_num into the dest_qp field of qp context.
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Shaobo Xu <xushaobo2@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hns')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index 93010a5d0cbf..55e6daabcde2 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -2888,10 +2888,11 @@ static int hns_roce_v1_m_qp(struct ib_qp *ibqp, const struct ib_qp_attr *attr, QP_CONTEXT_QPC_BYTES_32_RESPONDER_RESOURCES_S, ilog2((unsigned int)attr->max_dest_rd_atomic)); - roce_set_field(context->qpc_bytes_36, - QP_CONTEXT_QPC_BYTES_36_DEST_QP_M, - QP_CONTEXT_QPC_BYTES_36_DEST_QP_S, - attr->dest_qp_num); + if (attr_mask & IB_QP_DEST_QPN) + roce_set_field(context->qpc_bytes_36, + QP_CONTEXT_QPC_BYTES_36_DEST_QP_M, + QP_CONTEXT_QPC_BYTES_36_DEST_QP_S, + attr->dest_qp_num); /* Configure GID index */ port_num = rdma_ah_get_port_num(&attr->ah_attr); |