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net: ll_temac: Fix DMA map size bug 

DMA allocates skb->len instead of headlen
which is used for DMA.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michal Simek 2015-05-12 08:06:15 +02:00 committed by David S. Miller
parent 343f845b37
commit 44d4f8d74e
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/xilinx/ll_temac_main.c
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@ -707,8 +707,8 @@ static int temac_start_xmit(struct sk_buff *skb, struct net_device *ndev)
cur_p->app0 |= STS_CTRL_APP0_SOP;
cur_p->len = skb_headlen(skb);
cur_p->phys = dma_map_single(ndev->dev.parent, skb->data, skb->len,
DMA_TO_DEVICE);
cur_p->phys = dma_map_single(ndev->dev.parent, skb->data,
skb_headlen(skb), DMA_TO_DEVICE);
cur_p->app4 = (unsigned long)skb;
for (ii = 0; ii < num_frag; ii++) {