From 507389a35a41f5f15592d2156d34039e3ee1c3e5 Mon Sep 17 00:00:00 2001 From: Hans Petter Selasky Date: Wed, 16 Jun 2021 15:01:44 +0200 Subject: [PATCH] ibcore: Fail early if unsupported QP is provided. 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. Linux commit: 798bba01b44b0ddf8cd6e542635b37cc9a9b739c MFC after: 1 week Reviewed by: kib Sponsored by: Mellanox Technologies // NVIDIA Networking --- sys/ofed/drivers/infiniband/core/ib_mad.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/ofed/drivers/infiniband/core/ib_mad.c b/sys/ofed/drivers/infiniband/core/ib_mad.c index 7bb6323a4c53..2f14535688aa 100644 --- a/sys/ofed/drivers/infiniband/core/ib_mad.c +++ b/sys/ofed/drivers/infiniband/core/ib_mad.c @@ -219,6 +219,10 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device, unsigned long flags; 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) {