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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>
This commit is contained in:
Leon Romanovsky 2019-10-29 08:27:37 +02:00 committed by Jason Gunthorpe
parent 6a42265c91
commit dd0b0159f7
5 changed files with 0 additions and 20 deletions
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4
drivers/infiniband/hw/mlx4/mad.c
View File

@ -992,10 +992,6 @@ int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
struct ib_mad *out_mad = (struct ib_mad *)out;
enum rdma_link_layer link = rdma_port_get_link_layer(ibdev, port_num);
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
/* iboe_process_mad() which uses the HCA flow-counters to implement IB PMA
* queries, should be called only by VFs and for that specific purpose
*/

4
drivers/infiniband/hw/mlx5/mad.c
View File

@ -280,10 +280,6 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
struct ib_mad *out_mad = (struct ib_mad *)out;
int ret;
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
if (MLX5_CAP_GEN(dev->mdev, vport_counters) &&
in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT &&
in_mad->mad_hdr.method == IB_MGMT_METHOD_GET) {

4
drivers/infiniband/hw/mthca/mthca_mad.c
View File

@ -212,10 +212,6 @@ int mthca_process_mad(struct ib_device *ibdev,
const struct ib_mad *in_mad = (const struct ib_mad *)in;
struct ib_mad *out_mad = (struct ib_mad *)out;
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
/* Forward locally generated traps to the SM */
if (in_mad->mad_hdr.method == IB_MGMT_METHOD_TRAP &&
slid == 0) {

4
drivers/infiniband/hw/ocrdma/ocrdma_ah.c
View File

@ -261,10 +261,6 @@ int ocrdma_process_mad(struct ib_device *ibdev,
const struct ib_mad *in_mad = (const struct ib_mad *)in;
struct ib_mad *out_mad = (struct ib_mad *)out;
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
switch (in_mad->mad_hdr.mgmt_class) {
case IB_MGMT_CLASS_PERF_MGMT:
dev = get_ocrdma_dev(ibdev);

4
drivers/infiniband/hw/qib/qib_mad.c
View File

@ -2396,10 +2396,6 @@ int qib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port,
const struct ib_mad *in_mad = (const struct ib_mad *)in;
struct ib_mad *out_mad = (struct ib_mad *)out;
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
switch (in_mad->mad_hdr.mgmt_class) {
case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE:
case IB_MGMT_CLASS_SUBN_LID_ROUTED: