From 71d28725548be203e8b8f6ad63b1f64fd7f02d4d Mon Sep 17 00:00:00 2001 From: Dale Farnsworth Date: Wed, 13 Sep 2006 09:21:08 -0700 Subject: [PATCH] [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 Signed-off-by: Jeff Garzik --- drivers/net/mv643xx_eth.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 760c61b..eeab1df 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -385,6 +385,8 @@ static int mv643xx_eth_receive_queue(struct net_device *dev, int budget) struct pkt_info pkt_info; 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--; received_packets++; -- 2.7.4