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[PATCH] mv643xx_eth: Unmap DMA buffers in receive path

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Fix a missing call to dma_unmap_single() in the receive path.  Without
this call, errors have been observed on non-cache-coherent systems.

Signed-off-by Dale Farnsworth <dale@farnsworth.org>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Dale Farnsworth
2006-09-13 09:21:08 -07:00
committed by Jeff Garzik
parent eff68d452f
commit 71d2872554
1 changed files with 2 additions and 0 deletions
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2
drivers/net/mv643xx_eth.c
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@@ -385,6 +385,8 @@ static int mv643xx_eth_receive_queue(struct net_device *dev, int budget)
struct pkt_info pkt_info; struct pkt_info pkt_info;
while (budget-- > 0 && eth_port_receive(mp, &pkt_info) == ETH_OK) { while (budget-- > 0 && eth_port_receive(mp, &pkt_info) == ETH_OK) {
dma_unmap_single(NULL, pkt_info.buf_ptr, RX_SKB_SIZE,
DMA_FROM_DEVICE);
mp->rx_desc_count--; mp->rx_desc_count--;
received_packets++; received_packets++;