Commit 71d28725 authored Sep 13, 2006 by Dale Farnsworth Committed by Jeff Garzik Sep 13, 2006

[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>

parent eff68d45

drivers/net/mv643xx_eth.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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++;