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mv643xx_eth: fix receive buffer DMA unmapping

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When tearing down a DMA mapping for a receive buffer, we should pass
dma_unmap_single() the exact same address that dma_map_single() gave
us when we originally set up the mapping.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
This commit is contained in:
Lennert Buytenhek 2008-08-24 07:19:48 +02:00 committed by Lennert Buytenhek
parent b987384123
commit 3a499481c1
1 changed files with 1 additions and 1 deletions
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2
drivers/net/mv643xx_eth.c
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@ -559,7 +559,7 @@ static int rxq_process(struct rx_queue *rxq, int budget)
spin_unlock_irqrestore(&mp->lock, flags);
dma_unmap_single(NULL, rx_desc->buf_ptr + 2,
dma_unmap_single(NULL, rx_desc->buf_ptr,
rx_desc->buf_size, DMA_FROM_DEVICE);
rxq->rx_desc_count--;
rx++;