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be2net: minor code optimizations

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Couple of code optimizations in the Rx path (to avoid a memset).

From: Sathya P <sathyap@serverengines.com>
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ajit Khaparde 2010-02-09 01:34:21 +00:00 committed by David S. Miller
parent 34a89b8c75
commit 205859a2ff
1 changed files with 5 additions and 3 deletions
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8
drivers/net/benet/be_main.c
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@ -636,9 +636,11 @@ get_rx_page_info(struct be_adapter *adapter, u16 frag_idx)
rx_page_info = &adapter->rx_obj.page_info_tbl[frag_idx];
BUG_ON(!rx_page_info->page);
if (rx_page_info->last_page_user)
if (rx_page_info->last_page_user) {
pci_unmap_page(adapter->pdev, pci_unmap_addr(rx_page_info, bus),
adapter->big_page_size, PCI_DMA_FROMDEVICE);
rx_page_info->last_page_user = false;
}
atomic_dec(&rxq->used);
return rx_page_info;
@ -706,7 +708,7 @@ static void skb_fill_rx_data(struct be_adapter *adapter,
skb->data_len = curr_frag_len - hdr_len;
skb->tail += hdr_len;
}
memset(page_info, 0, sizeof(*page_info));
page_info->page = NULL;
if (pktsize <= rx_frag_size) {
BUG_ON(num_rcvd != 1);
@ -739,7 +741,7 @@ static void skb_fill_rx_data(struct be_adapter *adapter,
skb->len += curr_frag_len;
skb->data_len += curr_frag_len;
memset(page_info, 0, sizeof(*page_info));
page_info->page = NULL;
}
BUG_ON(j > MAX_SKB_FRAGS);