The proper return code is "-EOPNOTSUPP" when trying to modify a raw
packet QP over an IB port.
Fixes: 3987a2d3193c ("IB/mlx4: Add raw packet QP support")
Signed-off-by: Kamal Heib <kamalheib1@xxxxxxxxx>
---
drivers/infiniband/hw/mlx4/qp.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 2975f350b9fd..3c6ed7a7d407 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -2785,8 +2785,10 @@ static int _mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
if ((attr_mask & IB_QP_PORT) && (ibqp->qp_type == IB_QPT_RAW_PACKET) &&
(rdma_port_get_link_layer(&dev->ib_dev, attr->port_num) !=
- IB_LINK_LAYER_ETHERNET))
+ IB_LINK_LAYER_ETHERNET)) {
+ err = -EOPNOTSUPP;
goto out;
+ }
if (attr_mask & IB_QP_PKEY_INDEX) {
int p = attr_mask & IB_QP_PORT ? attr->port_num : qp->port;
--
2.26.2
