RDMA/mad: Do not check MAD sizes in roce and ib drivers
All callers for process_mad allocate MAD structures with proper sizes, there is no need to recheck it. Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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@ -992,10 +992,6 @@ int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
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struct ib_mad *out_mad = (struct ib_mad *)out;
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enum rdma_link_layer link = rdma_port_get_link_layer(ibdev, port_num);
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if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
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*out_mad_size != sizeof(*out_mad)))
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return IB_MAD_RESULT_FAILURE;
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/* iboe_process_mad() which uses the HCA flow-counters to implement IB PMA
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* queries, should be called only by VFs and for that specific purpose
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*/
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@ -280,10 +280,6 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
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struct ib_mad *out_mad = (struct ib_mad *)out;
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int ret;
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if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
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*out_mad_size != sizeof(*out_mad)))
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return IB_MAD_RESULT_FAILURE;
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if (MLX5_CAP_GEN(dev->mdev, vport_counters) &&
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in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT &&
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in_mad->mad_hdr.method == IB_MGMT_METHOD_GET) {
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@ -212,10 +212,6 @@ int mthca_process_mad(struct ib_device *ibdev,
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const struct ib_mad *in_mad = (const struct ib_mad *)in;
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struct ib_mad *out_mad = (struct ib_mad *)out;
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if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
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*out_mad_size != sizeof(*out_mad)))
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return IB_MAD_RESULT_FAILURE;
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/* Forward locally generated traps to the SM */
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if (in_mad->mad_hdr.method == IB_MGMT_METHOD_TRAP &&
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slid == 0) {
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@ -261,10 +261,6 @@ int ocrdma_process_mad(struct ib_device *ibdev,
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const struct ib_mad *in_mad = (const struct ib_mad *)in;
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struct ib_mad *out_mad = (struct ib_mad *)out;
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if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
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*out_mad_size != sizeof(*out_mad)))
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return IB_MAD_RESULT_FAILURE;
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switch (in_mad->mad_hdr.mgmt_class) {
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case IB_MGMT_CLASS_PERF_MGMT:
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dev = get_ocrdma_dev(ibdev);
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@ -2396,10 +2396,6 @@ int qib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port,
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const struct ib_mad *in_mad = (const struct ib_mad *)in;
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struct ib_mad *out_mad = (struct ib_mad *)out;
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if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
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*out_mad_size != sizeof(*out_mad)))
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return IB_MAD_RESULT_FAILURE;
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switch (in_mad->mad_hdr.mgmt_class) {
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case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE:
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case IB_MGMT_CLASS_SUBN_LID_ROUTED:
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