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authorDavid S. Miller2008-11-19 08:38:23 +0100
committerDavid S. Miller2008-11-19 08:38:23 +0100
commit198d6ba4d7f48c94f990f4604f0b3d73925e0ded (patch)
tree56bbdf8ba2553c23c8099da9344a8f1d1aba97ab /drivers/net/gianfar.c
parentnet: sctp should update its inuse counter (diff)
parentMerge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block (diff)
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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/isdn/i4l/isdn_net.c fs/cifs/connect.c
Diffstat (limited to 'drivers/net/gianfar.c')
-rw-r--r--drivers/net/gianfar.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 451f6b8b6163..2635f5bed77f 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -1405,6 +1405,10 @@ static int gfar_clean_tx_ring(struct net_device *dev)
if (bdp->status & TXBD_DEF)
dev->stats.collisions++;
+ /* Unmap the DMA memory */
+ dma_unmap_single(&priv->dev->dev, bdp->bufPtr,
+ bdp->length, DMA_TO_DEVICE);
+
/* Free the sk buffer associated with this TxBD */
dev_kfree_skb_irq(priv->tx_skbuff[priv->skb_dirtytx]);
@@ -1664,6 +1668,9 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
skb = priv->rx_skbuff[priv->skb_currx];
+ dma_unmap_single(&priv->dev->dev, bdp->bufPtr,
+ priv->rx_buffer_size, DMA_FROM_DEVICE);
+
/* We drop the frame if we failed to allocate a new buffer */
if (unlikely(!newskb || !(bdp->status & RXBD_LAST) ||
bdp->status & RXBD_ERR)) {
@@ -1672,14 +1679,8 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
if (unlikely(!newskb))
newskb = skb;
- if (skb) {
- dma_unmap_single(&priv->dev->dev,
- bdp->bufPtr,
- priv->rx_buffer_size,
- DMA_FROM_DEVICE);
-
+ if (skb)
dev_kfree_skb_any(skb);
- }
} else {
/* Increment the number of packets */
dev->stats.rx_packets++;