[PATCH 03/20] IB/mad: Change validate_mad signature to take ib_mad_hdr rather than ib_mad

[ira . weiny]

From: Ira Weiny <ira.we...@intel.com>

validate_mad only needs access to the MAD header

Signed-off-by: Ira Weiny <ira.we...@intel.com>
---
 drivers/infiniband/core/mad.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 4673262..9ffff9b 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -1708,20 +1708,20 @@ out:
        return mad_agent;
 }
 
-static int validate_mad(struct ib_mad *mad, u32 qp_num)
+static int validate_mad(struct ib_mad_hdr *mad_hdr, u32 qp_num)
 {
        int valid = 0;
 
        /* Make sure MAD base version is understood */
-       if (mad->mad_hdr.base_version != IB_MGMT_BASE_VERSION) {
+       if (mad_hdr->base_version != IB_MGMT_BASE_VERSION) {
                pr_err("MAD received with unsupported base version %d\n",
-                       mad->mad_hdr.base_version);
+                       mad_hdr->base_version);
                goto out;
        }
 
        /* Filter SMI packets sent to other than QP0 */
-       if ((mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED) ||
-           (mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)) {
+       if ((mad_hdr->mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED) ||
+           (mad_hdr->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)) {
                if (qp_num == 0)
                        valid = 1;
        } else {
@@ -1979,7 +1979,7 @@ static void ib_mad_recv_done_handler(struct 
ib_mad_port_private *port_priv,
                snoop_recv(qp_info, &recv->header.recv_wc, IB_MAD_SNOOP_RECVS);
 
        /* Validate MAD */
-       if (!validate_mad(&recv->mad.mad, qp_info->qp->qp_num))
+       if (!validate_mad(&recv->mad.mad.mad_hdr, qp_info->qp->qp_num))
                goto out;
 
        response = kmem_cache_alloc(ib_mad_cache, GFP_KERNEL);
-- 
1.7.1

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