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Date: Tue, 5 Apr 2016 14:00:00 -0700 From: Petri Gynther <pgynther@...gle.com> To: netdev@...r.kernel.org Cc: davem@...emloft.net, f.fainelli@...il.com, opendmb@...il.com, jaedon.shin@...il.com, Petri Gynther <pgynther@...gle.com> Subject: [RESEND PATCH net-next v2 2/3] 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@...gle.com> Acked-by: Florian Fainelli <f.fainelli@...il.com> --- drivers/net/ethernet/broadcom/genet/bcmgenet.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 7f85a84..d77cd6d 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; -- 2.8.0.rc3.226.g39d4020
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