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path: root/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
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Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_hw_v2.c')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hw_v2.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 4554d3e78b37..f034021f3adc 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -244,7 +244,7 @@ static bool check_inl_data_len(struct hns_roce_qp *qp, unsigned int len)
struct hns_roce_dev *hr_dev = to_hr_dev(qp->ibqp.device);
int mtu = ib_mtu_enum_to_int(qp->path_mtu);
- if (len > qp->max_inline_data || len > mtu) {
+ if (mtu < 0 || len > qp->max_inline_data || len > mtu) {
ibdev_err(&hr_dev->ib_dev,
"invalid length of data, data len = %u, max inline len = %u, path mtu = %d.\n",
len, qp->max_inline_data, mtu);
@@ -4556,6 +4556,9 @@ static int check_cong_type(struct ib_qp *ibqp,
{
struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
+ if (ibqp->qp_type == IB_QPT_UD)
+ hr_dev->caps.cong_type = CONG_TYPE_DCQCN;
+
/* different congestion types match different configurations */
switch (hr_dev->caps.cong_type) {
case CONG_TYPE_DCQCN: