diff options
| author |   Petri Gynther <pgynther@google.com> | 2016-04-05 14:00:00 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-04-05 19:33:51 -0400 |
| commit | 824ba603573d910e32df75fe6a5e7d7ec2a0a6a7 (patch) | |
| tree | fc2eb5912c7d29e663654d88e7164c091b3c8f75 /drivers | |
| parent | net: bcmgenet: cleanup for bcmgenet_xmit() (diff) | |
| download | linux-dev-824ba603573d910e32df75fe6a5e7d7ec2a0a6a7.tar.xz linux-dev-824ba603573d910e32df75fe6a5e7d7ec2a0a6a7.zip | |
net: bcmgenet: cleanup for bcmgenet_xmit_frag()
Add frag_size = skb_frag_size(frag) and use it when needed.
Signed-off-by: Petri Gynther <pgynther@google.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/broadcom/genet/bcmgenet.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 7f85a8494eee..d77cd6dee092 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -1331,6 +1331,7 @@ static int bcmgenet_xmit_frag(struct net_device *dev, struct bcmgenet_priv *priv = netdev_priv(dev); struct device *kdev = &priv->pdev->dev; struct enet_cb *tx_cb_ptr; + unsigned int frag_size; dma_addr_t mapping; int ret; @@ -1338,10 +1339,12 @@ static int bcmgenet_xmit_frag(struct net_device *dev, if (unlikely(!tx_cb_ptr)) BUG(); + tx_cb_ptr->skb = NULL; - mapping = skb_frag_dma_map(kdev, frag, 0, - skb_frag_size(frag), DMA_TO_DEVICE); + frag_size = skb_frag_size(frag); + + mapping = skb_frag_dma_map(kdev, frag, 0, frag_size, DMA_TO_DEVICE); ret = dma_mapping_error(kdev, mapping); if (ret) { priv->mib.tx_dma_failed++; @@ -1351,10 +1354,10 @@ static int bcmgenet_xmit_frag(struct net_device *dev, } dma_unmap_addr_set(tx_cb_ptr, dma_addr, mapping); - dma_unmap_len_set(tx_cb_ptr, dma_len, frag->size); + dma_unmap_len_set(tx_cb_ptr, dma_len, frag_size); dmadesc_set(priv, tx_cb_ptr->bd_addr, mapping, - (frag->size << DMA_BUFLENGTH_SHIFT) | dma_desc_flags | + (frag_size << DMA_BUFLENGTH_SHIFT) | dma_desc_flags | (priv->hw_params->qtag_mask << DMA_TX_QTAG_SHIFT)); return 0; |