drivers/net: use vzalloc()

Use vzalloc() and vzalloc_node() in net drivers

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Jon Mason <jon.mason@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

17 files changed, 39 insertions, 87 deletions

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 062600be073b..0de196da4d4a 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -766,13 +766,10 @@ bnx2_alloc_rx_mem(struct bnx2 *bp)
                 int j;
 
                 rxr->rx_buf_ring =
-                        vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
+                        vzalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
                 if (rxr->rx_buf_ring == NULL)
                         return -ENOMEM;
 
-                memset(rxr->rx_buf_ring, 0,
-                       SW_RXBD_RING_SIZE * bp->rx_max_ring);
-
                 for (j = 0; j < bp->rx_max_ring; j++) {
                         rxr->rx_desc_ring[j] =
                                 dma_alloc_coherent(&bp->pdev->dev,
@@ -785,13 +782,11 @@ bnx2_alloc_rx_mem(struct bnx2 *bp)
                 }
 
                 if (bp->rx_pg_ring_size) {
-                        rxr->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
+                        rxr->rx_pg_ring = vzalloc(SW_RXPG_RING_SIZE *
                                                   bp->rx_max_pg_ring);
                         if (rxr->rx_pg_ring == NULL)
                                 return -ENOMEM;
 
-                        memset(rxr->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
-                               bp->rx_max_pg_ring);
                 }
 
                 for (j = 0; j < bp->rx_max_pg_ring; j++) {
diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c
index bcf07532953d..ef02aa68c926 100644
--- a/drivers/net/cxgb3/cxgb3_offload.c
+++ b/drivers/net/cxgb3/cxgb3_offload.c
@@ -1164,12 +1164,10 @@ static void cxgb_redirect(struct dst_entry *old, struct dst_entry *new)
  */
 void *cxgb_alloc_mem(unsigned long size)
 {
-        void *p = kmalloc(size, GFP_KERNEL);
+        void *p = kzalloc(size, GFP_KERNEL);
 
         if (!p)
-                p = vmalloc(size);
-        if (p)
-                memset(p, 0, size);
+                p = vzalloc(size);
         return p;
 }
 
diff --git a/drivers/net/cxgb4/cxgb4_main.c b/drivers/net/cxgb4/cxgb4_main.c
index f50bc98310f8..848f89d19fb7 100644
--- a/drivers/net/cxgb4/cxgb4_main.c
+++ b/drivers/net/cxgb4/cxgb4_main.c
@@ -868,12 +868,10 @@ out:	release_firmware(fw);
  */
 void *t4_alloc_mem(size_t size)
 {
-        void *p = kmalloc(size, GFP_KERNEL);
+        void *p = kzalloc(size, GFP_KERNEL);
 
         if (!p)
-                p = vmalloc(size);
-        if (p)
-                memset(p, 0, size);
+                p = vzalloc(size);
         return p;
 }
 
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 4686c3983fc3..dcb7f82c2701 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -1425,13 +1425,12 @@ static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
         int size;
 
         size = sizeof(struct e1000_buffer) * txdr->count;
-        txdr->buffer_info = vmalloc(size);
+        txdr->buffer_info = vzalloc(size);
         if (!txdr->buffer_info) {
                 e_err(probe, "Unable to allocate memory for the Tx descriptor "
                       "ring\n");
                 return -ENOMEM;
         }
-        memset(txdr->buffer_info, 0, size);
 
         /* round up to nearest 4K */
 
@@ -1621,13 +1620,12 @@ static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
         int size, desc_len;
 
         size = sizeof(struct e1000_buffer) * rxdr->count;
-        rxdr->buffer_info = vmalloc(size);
+        rxdr->buffer_info = vzalloc(size);
         if (!rxdr->buffer_info) {
                 e_err(probe, "Unable to allocate memory for the Rx descriptor "
                       "ring\n");
                 return -ENOMEM;
         }
-        memset(rxdr->buffer_info, 0, size);
 
         desc_len = sizeof(struct e1000_rx_desc);
 
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 9b3f0a996b00..0adcb79e6386 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -2059,10 +2059,9 @@ int e1000e_setup_tx_resources(struct e1000_adapter *adapter)
         int err = -ENOMEM, size;
 
         size = sizeof(struct e1000_buffer) * tx_ring->count;
-        tx_ring->buffer_info = vmalloc(size);
+        tx_ring->buffer_info = vzalloc(size);
         if (!tx_ring->buffer_info)
                 goto err;
-        memset(tx_ring->buffer_info, 0, size);
 
         /* round up to nearest 4K */
         tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
@@ -2095,10 +2094,9 @@ int e1000e_setup_rx_resources(struct e1000_adapter *adapter)
         int i, size, desc_len, err = -ENOMEM;
 
         size = sizeof(struct e1000_buffer) * rx_ring->count;
-        rx_ring->buffer_info = vmalloc(size);
+        rx_ring->buffer_info = vzalloc(size);
         if (!rx_ring->buffer_info)
                 goto err;
-        memset(rx_ring->buffer_info, 0, size);
 
         for (i = 0; i < rx_ring->count; i++) {
                 buffer_info = &rx_ring->buffer_info[i];
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 182b2a7be8dc..a84c389d3db7 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -1496,12 +1496,10 @@ static int ehea_init_q_skba(struct ehea_q_skb_arr *q_skba, int max_q_entries)
 {
         int arr_size = sizeof(void *) * max_q_entries;
 
-        q_skba->arr = vmalloc(arr_size);
+        q_skba->arr = vzalloc(arr_size);
         if (!q_skba->arr)
                 return -ENOMEM;
 
-        memset(q_skba->arr, 0, arr_size);
-
         q_skba->len = max_q_entries;
         q_skba->index = 0;
         q_skba->os_skbs = 0;
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 892d196f17ac..67ea262e482a 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -2436,10 +2436,9 @@ int igb_setup_tx_resources(struct igb_ring *tx_ring)
         int size;
 
         size = sizeof(struct igb_buffer) * tx_ring->count;
-        tx_ring->buffer_info = vmalloc(size);
+        tx_ring->buffer_info = vzalloc(size);
         if (!tx_ring->buffer_info)
                 goto err;
-        memset(tx_ring->buffer_info, 0, size);
 
         /* round up to nearest 4K */
         tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc);
@@ -2587,10 +2586,9 @@ int igb_setup_rx_resources(struct igb_ring *rx_ring)
         int size, desc_len;
 
         size = sizeof(struct igb_buffer) * rx_ring->count;
-        rx_ring->buffer_info = vmalloc(size);
+        rx_ring->buffer_info = vzalloc(size);
         if (!rx_ring->buffer_info)
                 goto err;
-        memset(rx_ring->buffer_info, 0, size);
 
         desc_len = sizeof(union e1000_adv_rx_desc);
 
diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c
index 4c998b7726da..8dbde2397c10 100644
--- a/drivers/net/igbvf/netdev.c
+++ b/drivers/net/igbvf/netdev.c
@@ -430,10 +430,9 @@ int igbvf_setup_tx_resources(struct igbvf_adapter *adapter,
         int size;
 
         size = sizeof(struct igbvf_buffer) * tx_ring->count;
-        tx_ring->buffer_info = vmalloc(size);
+        tx_ring->buffer_info = vzalloc(size);
         if (!tx_ring->buffer_info)
                 goto err;
-        memset(tx_ring->buffer_info, 0, size);
 
         /* round up to nearest 4K */
         tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc);
@@ -470,10 +469,9 @@ int igbvf_setup_rx_resources(struct igbvf_adapter *adapter,
         int size, desc_len;
 
         size = sizeof(struct igbvf_buffer) * rx_ring->count;
-        rx_ring->buffer_info = vmalloc(size);
+        rx_ring->buffer_info = vzalloc(size);
         if (!rx_ring->buffer_info)
                 goto err;
-        memset(rx_ring->buffer_info, 0, size);
 
         desc_len = sizeof(union e1000_adv_rx_desc);
 
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index caa8192fff2a..211a1694667e 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -669,13 +669,12 @@ ixgb_setup_tx_resources(struct ixgb_adapter *adapter)
         int size;
 
         size = sizeof(struct ixgb_buffer) * txdr->count;
-        txdr->buffer_info = vmalloc(size);
+        txdr->buffer_info = vzalloc(size);
         if (!txdr->buffer_info) {
                 netif_err(adapter, probe, adapter->netdev,
                           "Unable to allocate transmit descriptor ring memory\n");
                 return -ENOMEM;
         }
-        memset(txdr->buffer_info, 0, size);
 
         /* round up to nearest 4K */
 
@@ -759,13 +758,12 @@ ixgb_setup_rx_resources(struct ixgb_adapter *adapter)
         int size;
 
         size = sizeof(struct ixgb_buffer) * rxdr->count;
-        rxdr->buffer_info = vmalloc(size);
+        rxdr->buffer_info = vzalloc(size);
         if (!rxdr->buffer_info) {
                 netif_err(adapter, probe, adapter->netdev,
                           "Unable to allocate receive descriptor ring\n");
                 return -ENOMEM;
         }
-        memset(rxdr->buffer_info, 0, size);
 
         /* Round up to nearest 4K */
 
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 025419567440..494cb57b700d 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -5181,12 +5181,11 @@ int ixgbe_setup_tx_resources(struct ixgbe_ring *tx_ring)
         int size;
 
         size = sizeof(struct ixgbe_tx_buffer) * tx_ring->count;
-        tx_ring->tx_buffer_info = vmalloc_node(size, tx_ring->numa_node);
+        tx_ring->tx_buffer_info = vzalloc_node(size, tx_ring->numa_node);
         if (!tx_ring->tx_buffer_info)
-                tx_ring->tx_buffer_info = vmalloc(size);
+                tx_ring->tx_buffer_info = vzalloc(size);
         if (!tx_ring->tx_buffer_info)
                 goto err;
-        memset(tx_ring->tx_buffer_info, 0, size);
 
         /* round up to nearest 4K */
         tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc);
@@ -5246,12 +5245,11 @@ int ixgbe_setup_rx_resources(struct ixgbe_ring *rx_ring)
         int size;
 
         size = sizeof(struct ixgbe_rx_buffer) * rx_ring->count;
-        rx_ring->rx_buffer_info = vmalloc_node(size, rx_ring->numa_node);
+        rx_ring->rx_buffer_info = vzalloc_node(size, rx_ring->numa_node);
         if (!rx_ring->rx_buffer_info)
-                rx_ring->rx_buffer_info = vmalloc(size);
+                rx_ring->rx_buffer_info = vzalloc(size);
         if (!rx_ring->rx_buffer_info)
                 goto err;
-        memset(rx_ring->rx_buffer_info, 0, size);
 
         /* Round up to nearest 4K */
         rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc);
diff --git a/drivers/net/ixgbevf/ixgbevf_main.c b/drivers/net/ixgbevf/ixgbevf_main.c
index 5b8063cb4e6c..2216a3c8b12b 100644
--- a/drivers/net/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ixgbevf/ixgbevf_main.c
@@ -2489,10 +2489,9 @@ int ixgbevf_setup_tx_resources(struct ixgbevf_adapter *adapter,
         int size;
 
         size = sizeof(struct ixgbevf_tx_buffer) * tx_ring->count;
-        tx_ring->tx_buffer_info = vmalloc(size);
+        tx_ring->tx_buffer_info = vzalloc(size);
         if (!tx_ring->tx_buffer_info)
                 goto err;
-        memset(tx_ring->tx_buffer_info, 0, size);
 
         /* round up to nearest 4K */
         tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc);
@@ -2556,14 +2555,13 @@ int ixgbevf_setup_rx_resources(struct ixgbevf_adapter *adapter,
         int size;
 
         size = sizeof(struct ixgbevf_rx_buffer) * rx_ring->count;
-        rx_ring->rx_buffer_info = vmalloc(size);
+        rx_ring->rx_buffer_info = vzalloc(size);
         if (!rx_ring->rx_buffer_info) {
                 hw_dbg(&adapter->hw,
                        "Unable to vmalloc buffer memory for "
                        "the receive descriptor ring\n");
                 goto alloc_failed;
         }
-        memset(rx_ring->rx_buffer_info, 0, size);
 
         /* Round up to nearest 4K */
         rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc);
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 95fe552aa279..f946de23fe76 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -214,13 +214,12 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
         tx_ring->num_desc = adapter->num_txd;
         tx_ring->txq = netdev_get_tx_queue(netdev, 0);
 
-        cmd_buf_arr = vmalloc(TX_BUFF_RINGSIZE(tx_ring));
+        cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
         if (cmd_buf_arr == NULL) {
                 dev_err(&pdev->dev, "%s: failed to allocate cmd buffer ring\n",
                        netdev->name);
                 goto err_out;
         }
-        memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
         tx_ring->cmd_buf_arr = cmd_buf_arr;
 
         recv_ctx = &adapter->recv_ctx;
@@ -280,7 +279,7 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
 
                 }
                 rds_ring->rx_buf_arr = (struct netxen_rx_buffer *)
-                        vmalloc(RCV_BUFF_RINGSIZE(rds_ring));
+                        vzalloc(RCV_BUFF_RINGSIZE(rds_ring));
                 if (rds_ring->rx_buf_arr == NULL) {
                         printk(KERN_ERR "%s: Failed to allocate "
                                 "rx buffer ring %d\n",
@@ -288,7 +287,6 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
                         /* free whatever was already allocated */
                         goto err_out;
                 }
-                memset(rds_ring->rx_buf_arr, 0, RCV_BUFF_RINGSIZE(rds_ring));
                 INIT_LIST_HEAD(&rds_ring->free_list);
                 /*
                  * Now go through all of them, set reference handles
diff --git a/drivers/net/pch_gbe/pch_gbe_main.c b/drivers/net/pch_gbe/pch_gbe_main.c
index 472056b47440..afb75066b14d 100644
--- a/drivers/net/pch_gbe/pch_gbe_main.c
+++ b/drivers/net/pch_gbe/pch_gbe_main.c
@@ -1523,12 +1523,11 @@ int pch_gbe_setup_tx_resources(struct pch_gbe_adapter *adapter,
         int desNo;
 
         size = (int)sizeof(struct pch_gbe_buffer) * tx_ring->count;
-        tx_ring->buffer_info = vmalloc(size);
+        tx_ring->buffer_info = vzalloc(size);
         if (!tx_ring->buffer_info) {
                 pr_err("Unable to allocate memory for the buffer infomation\n");
                 return -ENOMEM;
         }
-        memset(tx_ring->buffer_info, 0, size);
 
         tx_ring->size = tx_ring->count * (int)sizeof(struct pch_gbe_tx_desc);
 
@@ -1573,12 +1572,11 @@ int pch_gbe_setup_rx_resources(struct pch_gbe_adapter *adapter,
         int desNo;
 
         size = (int)sizeof(struct pch_gbe_buffer) * rx_ring->count;
-        rx_ring->buffer_info = vmalloc(size);
+        rx_ring->buffer_info = vzalloc(size);
         if (!rx_ring->buffer_info) {
                 pr_err("Unable to allocate memory for the receive descriptor ring\n");
                 return -ENOMEM;
         }
-        memset(rx_ring->buffer_info, 0, size);
         rx_ring->size = rx_ring->count * (int)sizeof(struct pch_gbe_rx_desc);
         rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
                                            &rx_ring->dma, GFP_KERNEL);
diff --git a/drivers/net/pptp.c b/drivers/net/pptp.c
index ccbc91326bfa..7556a9224f72 100644
--- a/drivers/net/pptp.c
+++ b/drivers/net/pptp.c
@@ -673,8 +673,7 @@ static int __init pptp_init_module(void)
         int err = 0;
         pr_info("PPTP driver version " PPTP_DRIVER_VERSION "\n");
 
-        callid_sock = __vmalloc((MAX_CALLID + 1) * sizeof(void *),
-                GFP_KERNEL | __GFP_ZERO, PAGE_KERNEL);
+        callid_sock = vzalloc((MAX_CALLID + 1) * sizeof(void *));
         if (!callid_sock) {
                 pr_err("PPTP: cann't allocate memory\n");
                 return -ENOMEM;
diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c
index 0d180c6e41fe..3f970187cfce 100644
--- a/drivers/net/qlcnic/qlcnic_init.c
+++ b/drivers/net/qlcnic/qlcnic_init.c
@@ -236,12 +236,11 @@ int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter)
         tx_ring->num_desc = adapter->num_txd;
         tx_ring->txq = netdev_get_tx_queue(netdev, 0);
 
-        cmd_buf_arr = vmalloc(TX_BUFF_RINGSIZE(tx_ring));
+        cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
         if (cmd_buf_arr == NULL) {
                 dev_err(&netdev->dev, "failed to allocate cmd buffer ring\n");
                 goto err_out;
         }
-        memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
         tx_ring->cmd_buf_arr = cmd_buf_arr;
 
         recv_ctx = &adapter->recv_ctx;
@@ -276,13 +275,12 @@ int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter)
                         break;
                 }
                 rds_ring->rx_buf_arr = (struct qlcnic_rx_buffer *)
-                        vmalloc(RCV_BUFF_RINGSIZE(rds_ring));
+                        vzalloc(RCV_BUFF_RINGSIZE(rds_ring));
                 if (rds_ring->rx_buf_arr == NULL) {
                         dev_err(&netdev->dev, "Failed to allocate "
                                 "rx buffer ring %d\n", ring);
                         goto err_out;
                 }
-                memset(rds_ring->rx_buf_arr, 0, RCV_BUFF_RINGSIZE(rds_ring));
                 INIT_LIST_HEAD(&rds_ring->free_list);
                 /*
                  * Now go through all of them, set reference handles
diff --git a/drivers/net/sfc/filter.c b/drivers/net/sfc/filter.c
index 52cb6082b910..44500b54fd5f 100644
--- a/drivers/net/sfc/filter.c
+++ b/drivers/net/sfc/filter.c
@@ -428,10 +428,9 @@ int efx_probe_filters(struct efx_nic *efx)
                                              GFP_KERNEL);
                 if (!table->used_bitmap)
                         goto fail;
-                table->spec = vmalloc(table->size * sizeof(*table->spec));
+                table->spec = vzalloc(table->size * sizeof(*table->spec));
                 if (!table->spec)
                         goto fail;
-                memset(table->spec, 0, table->size * sizeof(*table->spec));
         }
 
         return 0;
diff --git a/drivers/net/vxge/vxge-config.c b/drivers/net/vxge/vxge-config.c
index 409c2e6053d0..44d3ddd37b3e 100644
--- a/drivers/net/vxge/vxge-config.c
+++ b/drivers/net/vxge/vxge-config.c
@@ -1220,13 +1220,12 @@ vxge_hw_device_initialize(
                 goto exit;
 
         hldev = (struct __vxge_hw_device *)
-                        vmalloc(sizeof(struct __vxge_hw_device));
+                        vzalloc(sizeof(struct __vxge_hw_device));
         if (hldev == NULL) {
                 status = VXGE_HW_ERR_OUT_OF_MEMORY;
                 goto exit;
         }
 
-        memset(hldev, 0, sizeof(struct __vxge_hw_device));
         hldev->magic = VXGE_HW_DEVICE_MAGIC;
 
         vxge_hw_device_debug_set(hldev, VXGE_ERR, VXGE_COMPONENT_ALL);
@@ -2064,15 +2063,12 @@ __vxge_hw_mempool_grow(struct vxge_hw_mempool *mempool, u32 num_allocate,
                  * allocate new memblock and its private part at once.
                  * This helps to minimize memory usage a lot. */
                 mempool->memblocks_priv_arr[i] =
-                                vmalloc(mempool->items_priv_size * n_items);
+                                vzalloc(mempool->items_priv_size * n_items);
                 if (mempool->memblocks_priv_arr[i] == NULL) {
                         status = VXGE_HW_ERR_OUT_OF_MEMORY;
                         goto exit;
                 }
 
-                memset(mempool->memblocks_priv_arr[i], 0,
-                             mempool->items_priv_size * n_items);
-
                 /* allocate DMA-capable memblock */
                 mempool->memblocks_arr[i] =
                         __vxge_hw_blockpool_malloc(mempool->devh,
@@ -2145,12 +2141,11 @@ __vxge_hw_mempool_create(
         }
 
         mempool = (struct vxge_hw_mempool *)
-                        vmalloc(sizeof(struct vxge_hw_mempool));
+                        vzalloc(sizeof(struct vxge_hw_mempool));
         if (mempool == NULL) {
                 status = VXGE_HW_ERR_OUT_OF_MEMORY;
                 goto exit;
         }
-        memset(mempool, 0, sizeof(struct vxge_hw_mempool));
 
         mempool->devh                   = devh;
         mempool->memblock_size          = memblock_size;
@@ -2170,31 +2165,27 @@ __vxge_hw_mempool_create(
 
         /* allocate array of memblocks */
         mempool->memblocks_arr =
-                (void **) vmalloc(sizeof(void *) * mempool->memblocks_max);
+                (void **) vzalloc(sizeof(void *) * mempool->memblocks_max);
         if (mempool->memblocks_arr == NULL) {
                 __vxge_hw_mempool_destroy(mempool);
                 status = VXGE_HW_ERR_OUT_OF_MEMORY;
                 mempool = NULL;
                 goto exit;
         }
-        memset(mempool->memblocks_arr, 0,
-                sizeof(void *) * mempool->memblocks_max);
 
         /* allocate array of private parts of items per memblocks */
         mempool->memblocks_priv_arr =
-                (void **) vmalloc(sizeof(void *) * mempool->memblocks_max);
+                (void **) vzalloc(sizeof(void *) * mempool->memblocks_max);
         if (mempool->memblocks_priv_arr == NULL) {
                 __vxge_hw_mempool_destroy(mempool);
                 status = VXGE_HW_ERR_OUT_OF_MEMORY;
                 mempool = NULL;
                 goto exit;
         }
-        memset(mempool->memblocks_priv_arr, 0,
-                    sizeof(void *) * mempool->memblocks_max);
 
         /* allocate array of memblocks DMA objects */
         mempool->memblocks_dma_arr = (struct vxge_hw_mempool_dma *)
-                vmalloc(sizeof(struct vxge_hw_mempool_dma) *
+                vzalloc(sizeof(struct vxge_hw_mempool_dma) *
                         mempool->memblocks_max);
 
         if (mempool->memblocks_dma_arr == NULL) {
@@ -2203,20 +2194,16 @@ __vxge_hw_mempool_create(
                 mempool = NULL;
                 goto exit;
         }
-        memset(mempool->memblocks_dma_arr, 0,
-                        sizeof(struct vxge_hw_mempool_dma) *
-                        mempool->memblocks_max);
 
         /* allocate hash array of items */
         mempool->items_arr =
-                (void **) vmalloc(sizeof(void *) * mempool->items_max);
+                (void **) vzalloc(sizeof(void *) * mempool->items_max);
         if (mempool->items_arr == NULL) {
                 __vxge_hw_mempool_destroy(mempool);
                 status = VXGE_HW_ERR_OUT_OF_MEMORY;
                 mempool = NULL;
                 goto exit;
         }
-        memset(mempool->items_arr, 0, sizeof(void *) * mempool->items_max);
 
         /* calculate initial number of memblocks */
         memblocks_to_allocate = (mempool->items_initial +
@@ -4272,14 +4259,12 @@ vxge_hw_vpath_open(struct __vxge_hw_device *hldev,
                 goto vpath_open_exit1;
 
         vp = (struct __vxge_hw_vpath_handle *)
-                vmalloc(sizeof(struct __vxge_hw_vpath_handle));
+                vzalloc(sizeof(struct __vxge_hw_vpath_handle));
         if (vp == NULL) {
                 status = VXGE_HW_ERR_OUT_OF_MEMORY;
                 goto vpath_open_exit2;
         }
 
-        memset(vp, 0, sizeof(struct __vxge_hw_vpath_handle));
-
         vp->vpath = vpath;
 
         if (vpath->vp_config->fifo.enable == VXGE_HW_FIFO_ENABLE) {