Signed-off-by: Jeff Kirsher <[EMAIL PROTECTED]>
Signed-off-by: Jesse Brandeburg <[EMAIL PROTECTED]>
Signed-off-by: John Ronciak <[EMAIL PROTECTED]>
---
drivers/net/ixgb/ixgb_main.c | 36 ++++++++++++++++++++----------------
1 files changed, 20 insertions(+), 16 deletions(-)
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index be7b43b..443d675 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -922,17 +922,20 @@ ixgb_unmap_and_free_tx_resource(struct i
struct ixgb_buffer *buffer_info)
{
struct pci_dev *pdev = adapter->pdev;
- if(buffer_info->dma) {
- pci_unmap_page(pdev,
- buffer_info->dma,
- buffer_info->length,
- PCI_DMA_TODEVICE);
- buffer_info->dma = 0;
- }
- if(buffer_info->skb) {
+
+ if (buffer_info->dma)
+ pci_unmap_page(pdev, buffer_info->dma, buffer_info->length,
+ PCI_DMA_TODEVICE);
+
+ if (buffer_info->skb)
dev_kfree_skb_any(buffer_info->skb);
- buffer_info->skb = NULL;
- }
+
+ buffer_info->skb = NULL;
+ buffer_info->dma = 0;
+ buffer_info->time_stamp = 0;
+ /* these fields must always be initialized in tx
+ * buffer_info->length = 0;
+ * buffer_info->next_to_watch = 0; */
}
/**
@@ -1307,6 +1310,7 @@ ixgb_tx_map(struct ixgb_adapter *adapter
size,
PCI_DMA_TODEVICE);
buffer_info->time_stamp = jiffies;
+ buffer_info->next_to_watch = 0;
len -= size;
offset += size;
@@ -1338,6 +1342,7 @@ ixgb_tx_map(struct ixgb_adapter *adapter
size,
PCI_DMA_TODEVICE);
buffer_info->time_stamp = jiffies;
+ buffer_info->next_to_watch = 0;
len -= size;
offset += size;
@@ -1909,6 +1914,7 @@ ixgb_clean_rx_irq(struct ixgb_adapter *a
#endif
status = rx_desc->status;
skb = buffer_info->skb;
+ buffer_info->skb = NULL;
prefetch(skb->data);
@@ -1982,7 +1988,6 @@ ixgb_clean_rx_irq(struct ixgb_adapter *a
rxdesc_done:
/* clean up descriptor, might be written over by hw */
rx_desc->status = 0;
- buffer_info->skb = NULL;
/* use prefetched values */
rx_desc = next_rxd;
@@ -2041,11 +2046,10 @@ ixgb_alloc_rx_buffers(struct ixgb_adapte
buffer_info->skb = skb;
buffer_info->length = adapter->rx_buffer_len;
- buffer_info->dma =
- pci_map_single(pdev,
- skb->data,
- adapter->rx_buffer_len,
- PCI_DMA_FROMDEVICE);
+ buffer_info->dma = pci_map_single(pdev,
+
skb->data,
+
adapter->rx_buffer_len,
+
PCI_DMA_FROMDEVICE);
rx_desc->buff_addr = cpu_to_le64(buffer_info->dma);
/* guarantee DD bit not set now before h/w gets descriptor
-
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