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RDMA/mad: Allocate zeroed MAD buffer

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Ensure that MAD output buffer is zero-based allocated in all the callers
of process_mad and remove the various memset()'s from the drivers.

Link: https://lore.kernel.org/r/20191029062745.7932-3-leon@kernel.org
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 08:27:31 +02:00
committed by Jason Gunthorpe
parent 874e476ba9
commit be4a8d4673
5 changed files with 2 additions and 14 deletions
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2
drivers/infiniband/hw/mlx5/mad.c
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@@ -284,8 +284,6 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
memset(out_mad->data, 0, sizeof(out_mad->data));
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) {