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authorYan Burman <burman.yan@gmail.com>2007-03-06 19:58:04 +0300
committerJeff Garzik <jeff@garzik.org>2007-04-28 19:00:57 +0400
commit1c7e5b125a0d31efd994326ed4c6d60c5760c43b (patch)
tree5cbedd5e8a8ebf7aaf5eb0157c29b574a84cbbe2 /drivers/net/e1000/e1000_ethtool.c
parentc38db30b22913394f4634dc09f32d7838eb52ca1 (diff)
downloadlinux-1c7e5b125a0d31efd994326ed4c6d60c5760c43b.tar.xz
e1000: Use kcalloc()
Replace kmalloc+memsetout the driver. Slightly modified by Auke Kok. Signed-off-by: Yan Burman <burman.yan@gmail.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/e1000/e1000_ethtool.c')
-rw-r--r--drivers/net/e1000/e1000_ethtool.c26
1 files changed, 12 insertions, 14 deletions
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index a094288f0277..2881da1c6fe3 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -654,14 +654,11 @@ e1000_set_ringparam(struct net_device *netdev,
e1000_mac_type mac_type = adapter->hw.mac_type;
struct e1000_tx_ring *txdr, *tx_old;
struct e1000_rx_ring *rxdr, *rx_old;
- int i, err, tx_ring_size, rx_ring_size;
+ int i, err;
if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
return -EINVAL;
- tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
- rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
-
while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
msleep(1);
@@ -672,11 +669,11 @@ e1000_set_ringparam(struct net_device *netdev,
rx_old = adapter->rx_ring;
err = -ENOMEM;
- txdr = kzalloc(tx_ring_size, GFP_KERNEL);
+ txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring), GFP_KERNEL);
if (!txdr)
goto err_alloc_tx;
- rxdr = kzalloc(rx_ring_size, GFP_KERNEL);
+ rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring), GFP_KERNEL);
if (!rxdr)
goto err_alloc_rx;
@@ -1053,23 +1050,24 @@ e1000_setup_desc_rings(struct e1000_adapter *adapter)
struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
struct pci_dev *pdev = adapter->pdev;
uint32_t rctl;
- int size, i, ret_val;
+ int i, ret_val;
/* Setup Tx descriptor ring and Tx buffers */
if (!txdr->count)
txdr->count = E1000_DEFAULT_TXD;
- size = txdr->count * sizeof(struct e1000_buffer);
- if (!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
+ if (!(txdr->buffer_info = kcalloc(txdr->count,
+ sizeof(struct e1000_buffer),
+ GFP_KERNEL))) {
ret_val = 1;
goto err_nomem;
}
- memset(txdr->buffer_info, 0, size);
txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
E1000_ROUNDUP(txdr->size, 4096);
- if (!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) {
+ if (!(txdr->desc = pci_alloc_consistent(pdev, txdr->size,
+ &txdr->dma))) {
ret_val = 2;
goto err_nomem;
}
@@ -1116,12 +1114,12 @@ e1000_setup_desc_rings(struct e1000_adapter *adapter)
if (!rxdr->count)
rxdr->count = E1000_DEFAULT_RXD;
- size = rxdr->count * sizeof(struct e1000_buffer);
- if (!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
+ if (!(rxdr->buffer_info = kcalloc(rxdr->count,
+ sizeof(struct e1000_buffer),
+ GFP_KERNEL))) {
ret_val = 4;
goto err_nomem;
}
- memset(rxdr->buffer_info, 0, size);
rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
if (!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {