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[PATCH] mv643xx_eth: Unmap DMA buffers in receive path
author
Dale Farnsworth
<dale@farnsworth.org>
Wed, 13 Sep 2006 16:21:08 +0000
(09:21 -0700)
committer
Jeff Garzik
<jeff@garzik.org>
Wed, 13 Sep 2006 16:26:03 +0000
(12:26 -0400)
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>
drivers/net/mv643xx_eth.c
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diff --git
a/drivers/net/mv643xx_eth.c
b/drivers/net/mv643xx_eth.c
index
760c61b
..
eeab1df
100644
(file)
--- 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++;