Commit 798bba01 authored Aug 28, 2018 by Parav Pandit Committed by Jason Gunthorpe Sep 06, 2018

RDMA/core: 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.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

parent 2c910cb7

drivers/infiniband/core/mad.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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) {

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