IB/core cleanup: Add const on args - device->process_mad

The process_mad device function declares some parameters as "in".  Make those
parameters const and adjust the call tree under process_mad in the various
drivers accordingly.

Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Hal Rosenstock <hal@mellanox.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

4 files changed, 12 insertions, 12 deletions

diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c
index 9d3e5c1ac60e..c7f49bbb0c72 100644
--- a/drivers/infiniband/hw/mthca/mthca_cmd.c
+++ b/drivers/infiniband/hw/mthca/mthca_cmd.c
@@ -1858,8 +1858,8 @@ int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn)
 }
 
 int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,
-                  int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
-                  void *in_mad, void *response_mad)
+                  int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
+                  const void *in_mad, void *response_mad)
 {
         struct mthca_mailbox *inmailbox, *outmailbox;
         void *inbox;
diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.h b/drivers/infiniband/hw/mthca/mthca_cmd.h
index f952244c54de..d2e5b194b938 100644
--- a/drivers/infiniband/hw/mthca/mthca_cmd.h
+++ b/drivers/infiniband/hw/mthca/mthca_cmd.h
@@ -312,8 +312,8 @@ int mthca_QUERY_QP(struct mthca_dev *dev, u32 num, int is_ee,
                    struct mthca_mailbox *mailbox);
 int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn);
 int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,
-                  int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
-                  void *in_mad, void *response_mad);
+                  int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
+                  const void *in_mad, void *response_mad);
 int mthca_READ_MGM(struct mthca_dev *dev, int index,
                    struct mthca_mailbox *mailbox);
 int mthca_WRITE_MGM(struct mthca_dev *dev, int index,
diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h
index 7e6a6d64ad4e..b70f9ff23171 100644
--- a/drivers/infiniband/hw/mthca/mthca_dev.h
+++ b/drivers/infiniband/hw/mthca/mthca_dev.h
@@ -576,9 +576,9 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
 int mthca_process_mad(struct ib_device *ibdev,
                       int mad_flags,
                       u8 port_num,
-                      struct ib_wc *in_wc,
-                      struct ib_grh *in_grh,
-                      struct ib_mad *in_mad,
+                      const struct ib_wc *in_wc,
+                      const struct ib_grh *in_grh,
+                      const struct ib_mad *in_mad,
                       struct ib_mad *out_mad);
 int mthca_create_agents(struct mthca_dev *dev);
 void mthca_free_agents(struct mthca_dev *dev);
diff --git a/drivers/infiniband/hw/mthca/mthca_mad.c b/drivers/infiniband/hw/mthca/mthca_mad.c
index 8881fa376e06..d54608ca0820 100644
--- a/drivers/infiniband/hw/mthca/mthca_mad.c
+++ b/drivers/infiniband/hw/mthca/mthca_mad.c
@@ -104,7 +104,7 @@ static void update_sm_ah(struct mthca_dev *dev,
  */
 static void smp_snoop(struct ib_device *ibdev,
                       u8 port_num,
-                      struct ib_mad *mad,
+                      const struct ib_mad *mad,
                       u16 prev_lid)
 {
         struct ib_event event;
@@ -160,7 +160,7 @@ static void node_desc_override(struct ib_device *dev,
 
 static void forward_trap(struct mthca_dev *dev,
                          u8 port_num,
-                         struct ib_mad *mad)
+                         const struct ib_mad *mad)
 {
         int qpn = mad->mad_hdr.mgmt_class != IB_MGMT_CLASS_SUBN_LID_ROUTED;
         struct ib_mad_send_buf *send_buf;
@@ -195,9 +195,9 @@ static void forward_trap(struct mthca_dev *dev,
 int mthca_process_mad(struct ib_device *ibdev,
                       int mad_flags,
                       u8 port_num,
-                      struct ib_wc *in_wc,
-                      struct ib_grh *in_grh,
-                      struct ib_mad *in_mad,
+                      const struct ib_wc *in_wc,
+                      const struct ib_grh *in_grh,
+                      const struct ib_mad *in_mad,
                       struct ib_mad *out_mad)
 {
         int err;