bna: make function tables cont

To prevent malicious usage, all tables of pointers must be const.

Compile tested only.
Gleaned for PAX.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

5 files changed, 36 insertions, 43 deletions

diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.h b/drivers/net/ethernet/brocade/bna/bfa_ioc.h
index 9116324865cc..e11496db7ac6 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_ioc.h
+++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.h
@@ -199,7 +199,7 @@ struct bfa_ioc {
         struct bfi_ioc_attr     *attr;
         struct bfa_ioc_cbfn     *cbfn;
         struct bfa_ioc_mbox_mod mbox_mod;
-        struct bfa_ioc_hwif     *ioc_hwif;
+        const struct bfa_ioc_hwif *ioc_hwif;
         struct bfa_iocpf        iocpf;
         enum bfi_asic_gen       asic_gen;
         enum bfi_asic_mode      asic_mode;
diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c b/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c
index b4429bc67c34..7d0d8ffc01bf 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c
+++ b/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c
@@ -49,21 +49,21 @@ static bool bfa_ioc_ct_sync_complete(struct bfa_ioc *ioc);
 static enum bfa_status bfa_ioc_ct_pll_init(void __iomem *rb,
                                 enum bfi_asic_mode asic_mode);
 
-static struct bfa_ioc_hwif nw_hwif_ct;
-
-static void
-bfa_ioc_set_ctx_hwif(struct bfa_ioc *ioc, struct bfa_ioc_hwif *hwif)
-{
-        hwif->ioc_firmware_lock = bfa_ioc_ct_firmware_lock;
-        hwif->ioc_firmware_unlock = bfa_ioc_ct_firmware_unlock;
-        hwif->ioc_notify_fail = bfa_ioc_ct_notify_fail;
-        hwif->ioc_ownership_reset = bfa_ioc_ct_ownership_reset;
-        hwif->ioc_sync_start = bfa_ioc_ct_sync_start;
-        hwif->ioc_sync_join = bfa_ioc_ct_sync_join;
-        hwif->ioc_sync_leave = bfa_ioc_ct_sync_leave;
-        hwif->ioc_sync_ack = bfa_ioc_ct_sync_ack;
-        hwif->ioc_sync_complete = bfa_ioc_ct_sync_complete;
-}
+static const struct bfa_ioc_hwif nw_hwif_ct = {
+        .ioc_pll_init        = bfa_ioc_ct_pll_init,
+        .ioc_firmware_lock   = bfa_ioc_ct_firmware_lock,
+        .ioc_firmware_unlock = bfa_ioc_ct_firmware_unlock,
+        .ioc_reg_init        = bfa_ioc_ct_reg_init,
+        .ioc_map_port        = bfa_ioc_ct_map_port,
+        .ioc_isr_mode_set    = bfa_ioc_ct_isr_mode_set,
+        .ioc_notify_fail     = bfa_ioc_ct_notify_fail,
+        .ioc_ownership_reset = bfa_ioc_ct_ownership_reset,
+        .ioc_sync_start      = bfa_ioc_ct_sync_start,
+        .ioc_sync_join       = bfa_ioc_ct_sync_join,
+        .ioc_sync_leave      = bfa_ioc_ct_sync_leave,
+        .ioc_sync_ack        = bfa_ioc_ct_sync_ack,
+        .ioc_sync_complete   = bfa_ioc_ct_sync_complete,
+};
 
 /**
  * Called from bfa_ioc_attach() to map asic specific calls.
@@ -71,12 +71,6 @@ bfa_ioc_set_ctx_hwif(struct bfa_ioc *ioc, struct bfa_ioc_hwif *hwif)
 void
 bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc)
 {
-        bfa_ioc_set_ctx_hwif(ioc, &nw_hwif_ct);
-
-        nw_hwif_ct.ioc_pll_init = bfa_ioc_ct_pll_init;
-        nw_hwif_ct.ioc_reg_init = bfa_ioc_ct_reg_init;
-        nw_hwif_ct.ioc_map_port = bfa_ioc_ct_map_port;
-        nw_hwif_ct.ioc_isr_mode_set = bfa_ioc_ct_isr_mode_set;
         ioc->ioc_hwif = &nw_hwif_ct;
 }
 
diff --git a/drivers/net/ethernet/brocade/bna/bna.h b/drivers/net/ethernet/brocade/bna/bna.h
index 3a6e7906149c..4d7a5de08e12 100644
--- a/drivers/net/ethernet/brocade/bna/bna.h
+++ b/drivers/net/ethernet/brocade/bna/bna.h
@@ -453,7 +453,7 @@ void bna_tx_res_req(int num_txq, int txq_depth,
                     struct bna_res_info *res_info);
 struct bna_tx *bna_tx_create(struct bna *bna, struct bnad *bnad,
                                struct bna_tx_config *tx_cfg,
-                               struct bna_tx_event_cbfn *tx_cbfn,
+                               const struct bna_tx_event_cbfn *tx_cbfn,
                                struct bna_res_info *res_info, void *priv);
 void bna_tx_destroy(struct bna_tx *tx);
 void bna_tx_enable(struct bna_tx *tx);
@@ -490,7 +490,7 @@ void bna_rx_res_req(struct bna_rx_config *rx_config,
                     struct bna_res_info *res_info);
 struct bna_rx *bna_rx_create(struct bna *bna, struct bnad *bnad,
                                struct bna_rx_config *rx_cfg,
-                               struct bna_rx_event_cbfn *rx_cbfn,
+                               const struct bna_rx_event_cbfn *rx_cbfn,
                                struct bna_res_info *res_info, void *priv);
 void bna_rx_destroy(struct bna_rx *rx);
 void bna_rx_enable(struct bna_rx *rx);
diff --git a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c
index 92214137ca32..066704efe34d 100644
--- a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c
+++ b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c
@@ -2305,7 +2305,7 @@ bna_rx_res_req(struct bna_rx_config *q_cfg, struct bna_res_info *res_info)
 struct bna_rx *
 bna_rx_create(struct bna *bna, struct bnad *bnad,
                 struct bna_rx_config *rx_cfg,
-                struct bna_rx_event_cbfn *rx_cbfn,
+                const struct bna_rx_event_cbfn *rx_cbfn,
                 struct bna_res_info *res_info,
                 void *priv)
 {
@@ -3444,7 +3444,7 @@ bna_tx_res_req(int num_txq, int txq_depth, struct bna_res_info *res_info)
 struct bna_tx *
 bna_tx_create(struct bna *bna, struct bnad *bnad,
                 struct bna_tx_config *tx_cfg,
-                struct bna_tx_event_cbfn *tx_cbfn,
+                const struct bna_tx_event_cbfn *tx_cbfn,
                 struct bna_res_info *res_info, void *priv)
 {
         struct bna_intr_info *intr_info;
diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c
index b7f96ab8b30c..33ab1f81c1c2 100644
--- a/drivers/net/ethernet/brocade/bna/bnad.c
+++ b/drivers/net/ethernet/brocade/bna/bnad.c
@@ -1730,7 +1730,14 @@ bnad_setup_tx(struct bnad *bnad, u32 tx_id)
         struct bna_intr_info *intr_info =
                         &res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info;
         struct bna_tx_config *tx_config = &bnad->tx_config[tx_id];
-        struct bna_tx_event_cbfn tx_cbfn;
+        static const struct bna_tx_event_cbfn tx_cbfn = {
+                .tcb_setup_cbfn = bnad_cb_tcb_setup,
+                .tcb_destroy_cbfn = bnad_cb_tcb_destroy,
+                .tx_stall_cbfn = bnad_cb_tx_stall,
+                .tx_resume_cbfn = bnad_cb_tx_resume,
+                .tx_cleanup_cbfn = bnad_cb_tx_cleanup,
+        };
+
         struct bna_tx *tx;
         unsigned long flags;
 
@@ -1742,13 +1749,6 @@ bnad_setup_tx(struct bnad *bnad, u32 tx_id)
         tx_config->tx_type = BNA_TX_T_REGULAR;
         tx_config->coalescing_timeo = bnad->tx_coalescing_timeo;
 
-        /* Initialize the tx event handlers */
-        tx_cbfn.tcb_setup_cbfn = bnad_cb_tcb_setup;
-        tx_cbfn.tcb_destroy_cbfn = bnad_cb_tcb_destroy;
-        tx_cbfn.tx_stall_cbfn = bnad_cb_tx_stall;
-        tx_cbfn.tx_resume_cbfn = bnad_cb_tx_resume;
-        tx_cbfn.tx_cleanup_cbfn = bnad_cb_tx_cleanup;
-
         /* Get BNA's resource requirement for one tx object */
         spin_lock_irqsave(&bnad->bna_lock, flags);
         bna_tx_res_req(bnad->num_txq_per_tx,
@@ -1893,7 +1893,14 @@ bnad_setup_rx(struct bnad *bnad, u32 rx_id)
         struct bna_intr_info *intr_info =
                         &res_info[BNA_RX_RES_T_INTR].res_u.intr_info;
         struct bna_rx_config *rx_config = &bnad->rx_config[rx_id];
-        struct bna_rx_event_cbfn rx_cbfn;
+        static const struct bna_rx_event_cbfn rx_cbfn = {
+                .rcb_setup_cbfn = bnad_cb_rcb_setup,
+                .rcb_destroy_cbfn = bnad_cb_rcb_destroy,
+                .ccb_setup_cbfn = bnad_cb_ccb_setup,
+                .ccb_destroy_cbfn = bnad_cb_ccb_destroy,
+                .rx_cleanup_cbfn = bnad_cb_rx_cleanup,
+                .rx_post_cbfn = bnad_cb_rx_post,
+        };
         struct bna_rx *rx;
         unsigned long flags;
 
@@ -1902,14 +1909,6 @@ bnad_setup_rx(struct bnad *bnad, u32 rx_id)
         /* Initialize the Rx object configuration */
         bnad_init_rx_config(bnad, rx_config);
 
-        /* Initialize the Rx event handlers */
-        rx_cbfn.rcb_setup_cbfn = bnad_cb_rcb_setup;
-        rx_cbfn.rcb_destroy_cbfn = bnad_cb_rcb_destroy;
-        rx_cbfn.ccb_setup_cbfn = bnad_cb_ccb_setup;
-        rx_cbfn.ccb_destroy_cbfn = bnad_cb_ccb_destroy;
-        rx_cbfn.rx_cleanup_cbfn = bnad_cb_rx_cleanup;
-        rx_cbfn.rx_post_cbfn = bnad_cb_rx_post;
-
         /* Get BNA's resource requirement for one Rx object */
         spin_lock_irqsave(&bnad->bna_lock, flags);
         bna_rx_res_req(rx_config, res_info);