From 1c7e5b125a0d31efd994326ed4c6d60c5760c43b Mon Sep 17 00:00:00 2001 From: Yan Burman Date: Tue, 6 Mar 2007 08:58:04 -0800 Subject: e1000: Use kcalloc() Replace kmalloc+memsetout the driver. Slightly modified by Auke Kok. Signed-off-by: Yan Burman Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/e1000/e1000_ethtool.c | 26 ++++++++++++-------------- 1 file changed, 12 insertions(+), 14 deletions(-) (limited to 'drivers/net/e1000/e1000_ethtool.c') diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c index a094288f027..2881da1c6fe 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))) { -- cgit v1.2.3-70-g09d2