Commit 26f63b9c authored Jul 25, 2018 by Lijun Ou Committed by Jason Gunthorpe Jul 26, 2018

RDMA/hns: Add illegal hop_num judgement



When hop_num is more than three, it need to return -EINVAL.  This patch
fixes it.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

parent dedf6350

drivers/infiniband/hw/hns/hns_roce_hem.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -494,6 +494,9 @@ static int hns_roce_table_mhop_get(struct hns_roce_dev *hr_dev,
		step_idx = 1;
		} else if (hop_num == HNS_ROCE_HOP_NUM_0) {
		step_idx = 0;
		} else {
		ret = -EINVAL;
		goto err_dma_alloc_l1;
		}

		/* set HEM base address to hardware */