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Commit d1887ec2 authored by Roland Dreier's avatar Roland Dreier Committed by Roland Dreier
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[PATCH] IB/mthca: Report correct max_msg_sz 



Set the max_msg_sz port property correctly in mthca's port_query
function.  Also zero out the attr struct so that we don't leave
any other members uninitialized.

Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent da6561c2

drivers/infiniband/hw/mthca/mthca_provider.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -120,6 +120,8 @@ static int mthca_query_port(struct ib_device *ibdev, 
	if (!in_mad || !out_mad)

	if (!in_mad || !out_mad)

		goto out;

		goto out;





	memset(props, 0, sizeof *props);



	memset(in_mad, 0, sizeof *in_mad);

	memset(in_mad, 0, sizeof *in_mad);

	in_mad->base_version       = 1;

	in_mad->base_version       = 1;

	in_mad->mgmt_class     	   = IB_MGMT_CLASS_SUBN_LID_ROUTED;

	in_mad->mgmt_class     	   = IB_MGMT_CLASS_SUBN_LID_ROUTED;
@@ -146,6 +148,7 @@ static int mthca_query_port(struct ib_device *ibdev, 
	props->phys_state        = out_mad->data[33] >> 4;

	props->phys_state        = out_mad->data[33] >> 4;

	props->port_cap_flags    = be32_to_cpup((__be32 *) (out_mad->data + 20));

	props->port_cap_flags    = be32_to_cpup((__be32 *) (out_mad->data + 20));

	props->gid_tbl_len       = to_mdev(ibdev)->limits.gid_table_len;

	props->gid_tbl_len       = to_mdev(ibdev)->limits.gid_table_len;

	props->max_msg_sz        = 0x80000000;

	props->pkey_tbl_len      = to_mdev(ibdev)->limits.pkey_table_len;

	props->pkey_tbl_len      = to_mdev(ibdev)->limits.pkey_table_len;

	props->qkey_viol_cntr    = be16_to_cpup((__be16 *) (out_mad->data + 48));

	props->qkey_viol_cntr    = be16_to_cpup((__be16 *) (out_mad->data + 48));

	props->active_width      = out_mad->data[31] & 0xf;

	props->active_width      = out_mad->data[31] & 0xf;