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| author | Lijun Ou <oulijun@huawei.com> | 2018-07-25 15:29:37 +0800 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-07-26 16:51:34 -0600 |
| commit | 26f63b9c33ceda12fb9136a1d0c80e03c9ebb514 (patch) | |
| tree | a279d24079d1284700af5511cf9fbc066344a148 | |
| parent | dedf63506a8e55235edf902fa7455cd2974e462d (diff) | |
| download | linux-26f63b9c33ceda12fb9136a1d0c80e03c9ebb514.tar.bz2 | |
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>
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hem.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c index 63b5b3edabcb..8dc336a85128 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hem.c +++ b/drivers/infiniband/hw/hns/hns_roce_hem.c @@ -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 */ |