diff options
| author | Michal Simek <michal.simek@xilinx.com> | 2015-05-12 08:06:15 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-05-12 23:17:42 -0400 |
| commit | 44d4f8d74e1dd07f248f35d74419f07d44f326e6 (patch) | |
| tree | 9e24e178aebf436a2d10afc0063b3732808b7a58 | |
| parent | 343f845b375989f1753f605902931fa939aa2223 (diff) | |
| download | lwn-44d4f8d74e1dd07f248f35d74419f07d44f326e6.tar.gz lwn-44d4f8d74e1dd07f248f35d74419f07d44f326e6.zip | |
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>
| -rw-r--r-- | drivers/net/ethernet/xilinx/ll_temac_main.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index 690a4c36b316..af2694dc6f90 100644 --- 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++) { |