forked from Minki/linux
[PATCH] mv643xx_eth: Unmap DMA buffers in receive path
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>
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@ -385,6 +385,8 @@ static int mv643xx_eth_receive_queue(struct net_device *dev, int budget)
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struct pkt_info pkt_info;
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while (budget-- > 0 && eth_port_receive(mp, &pkt_info) == ETH_OK) {
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dma_unmap_single(NULL, pkt_info.buf_ptr, RX_SKB_SIZE,
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DMA_FROM_DEVICE);
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mp->rx_desc_count--;
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received_packets++;
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