Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-23 04:31:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

[PATCH] mv643xx_eth: Unmap DMA buffers in receive path

Browse Source 
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>
This commit is contained in:
Dale Farnsworth 2006-09-13 09:21:08 -07:00 committed by Jeff Garzik
parent eff68d452f
commit 71d2872554
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/mv643xx_eth.c
View File

@ -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++;