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>

diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
index 690a4c36b3166c76b4d8ed63f9d21574ecac8bb3..af2694dc6f90146fc2afe9073a0dde7058731f59 100644 (file)
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -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++) {