From patchwork Thu Nov 15 14:39:40 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [net-next,2/9] ixgbevf: Streamline the rx buffer allocation Date: Thu, 15 Nov 2012 04:39:40 -0000 From: Jeff Kirsher X-Patchwork-Id: 199312 Message-Id: <1352990387-3872-3-git-send-email-jeffrey.t.kirsher@intel.com> To: davem@davemloft.net Cc: Greg Rose , netdev@vger.kernel.org, gospo@redhat.com, sassmann@redhat.com, Jeff Kirsher From: Greg Rose Moves allocation of local variable to section where it is needed and removes unnecessary if statement. Signed-off-by: Greg Rose Tested-by: Sibai Li Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 9d88153..b46dff8 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -341,15 +341,16 @@ static void ixgbevf_alloc_rx_buffers(struct ixgbevf_adapter *adapter, struct pci_dev *pdev = adapter->pdev; union ixgbe_adv_rx_desc *rx_desc; struct ixgbevf_rx_buffer *bi; - struct sk_buff *skb; unsigned int i = rx_ring->next_to_use; bi = &rx_ring->rx_buffer_info[i]; while (cleaned_count--) { rx_desc = IXGBEVF_RX_DESC(rx_ring, i); - skb = bi->skb; - if (!skb) { + + if (!bi->skb) { + struct sk_buff *skb; + skb = netdev_alloc_skb_ip_align(rx_ring->netdev, rx_ring->rx_buf_len); if (!skb) { @@ -357,8 +358,7 @@ static void ixgbevf_alloc_rx_buffers(struct ixgbevf_adapter *adapter, goto no_buffers; } bi->skb = skb; - } - if (!bi->dma) { + bi->dma = dma_map_single(&pdev->dev, skb->data, rx_ring->rx_buf_len, DMA_FROM_DEVICE);