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| author |   Parav Pandit <parav@mellanox.com> | 2018-08-28 14:45:28 +0300 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2018-09-06 13:35:15 -0600 |
| commit | 798bba01b44b0ddf8cd6e542635b37cc9a9b739c (patch) | |
| tree | ff5b83488aa1c4165f4c2037674b6c075f4b8dbf /drivers/infiniband/core/mad.c | |
| parent | Merge branch 'uverbs_dev_cleanups' into rdma.git for-next (diff) | |
| download | linux-dev-798bba01b44b0ddf8cd6e542635b37cc9a9b739c.tar.xz linux-dev-798bba01b44b0ddf8cd6e542635b37cc9a9b739c.zip | |
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>
Diffstat (limited to 'drivers/infiniband/core/mad.c')
| -rw-r--r-- | drivers/infiniband/core/mad.c | 4 |
1 files changed, 4 insertions, 0 deletions
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) { |