From: Parav Pandit <parav@xxxxxxxxxxxx>
When requested QP type is not supported for a {device, port}, return the
error right away before validating all parameters during mad agent
registration time.
Signed-off-by: Parav Pandit <parav@xxxxxxxxxxxx>
Reviewed-by: Daniel Jurgens <danielj@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
drivers/infiniband/core/mad.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index b8977c3db5f3..43343c4e033e 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -220,6 +220,10 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
int ret2, qpn;
u8 mgmt_class, vclass;
+ if ((qp_type == IB_QPT_SMI && !rdma_cap_ib_smi(device, port_num)) ||
+ (qp_type == IB_QPT_GSI && !rdma_cap_ib_cm(device, port_num)))
+ return ERR_PTR(-EPROTONOSUPPORT);
+
/* Validate parameters */
qpn = get_spl_qp_index(qp_type);
if (qpn == -1) {
--
2.14.4
