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Subject[PATCH v2] net: ll_temac: Fix DMA map size bug
Date
DMA allocates skb->len instead of headlen
which is used for DMA.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

Changes in v2:
- Align the later argument with the right side of the parenthesis
Reported-by: Julia Lawall <julia.lawall@lip6.fr>

drivers/net/ethernet/xilinx/ll_temac_main.c | 4 ++--
1 file 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 ca640d04fd93..3b99a4df71f8 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -705,8 +705,8 @@ 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++) {
--
2.3.5


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