diff options
| author | Malcolm Priestley <tvboxspy@gmail.com> | 2015-07-22 19:16:35 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-07-22 20:51:37 -0700 |
| commit | 3a00033ee8697e2e0acf07d03dbea55c4b7236ca (patch) | |
| tree | 6352230fb5b2a19f89fe34f5b9c5b36980050925 /drivers/staging/vt6655 | |
| parent | fd43585b6405a0b7c6e5ad3c1bcbb32cf186a5a9 (diff) | |
staging: vt6655: dead code tx path remove dma_unmap_single
When pTDInfo->skb_dma not equal to pTDInfo->buf_dma, pTDInfo->skb_dma
equals zero.
as mentioned in comment pre-allocated buf_dma can't be unmapped
so remove dead code.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/vt6655')
| -rw-r--r-- | drivers/staging/vt6655/device_main.c | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index 053291a8e844..695aa25e819d 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -754,10 +754,6 @@ static void device_free_td0_ring(struct vnt_private *pDevice) PSTxDesc pDesc = &(pDevice->apTD0Rings[i]); PDEVICE_TD_INFO pTDInfo = pDesc->pTDInfo; - if (pTDInfo->skb_dma && (pTDInfo->skb_dma != pTDInfo->buf_dma)) - dma_unmap_single(&pDevice->pcid->dev, pTDInfo->skb_dma, - pTDInfo->skb->len, DMA_TO_DEVICE); - dev_kfree_skb(pTDInfo->skb); kfree(pDesc->pTDInfo); } @@ -771,10 +767,6 @@ static void device_free_td1_ring(struct vnt_private *pDevice) PSTxDesc pDesc = &(pDevice->apTD1Rings[i]); PDEVICE_TD_INFO pTDInfo = pDesc->pTDInfo; - if (pTDInfo->skb_dma && (pTDInfo->skb_dma != pTDInfo->buf_dma)) - dma_unmap_single(&pDevice->pcid->dev, pTDInfo->skb_dma, - pTDInfo->skb->len, DMA_TO_DEVICE); - dev_kfree_skb(pTDInfo->skb); kfree(pDesc->pTDInfo); } @@ -975,12 +967,6 @@ static void device_free_tx_buf(struct vnt_private *pDevice, PSTxDesc pDesc) PDEVICE_TD_INFO pTDInfo = pDesc->pTDInfo; struct sk_buff *skb = pTDInfo->skb; - /* pre-allocated buf_dma can't be unmapped. */ - if (pTDInfo->skb_dma && (pTDInfo->skb_dma != pTDInfo->buf_dma)) { - dma_unmap_single(&pDevice->pcid->dev, pTDInfo->skb_dma, - skb->len, DMA_TO_DEVICE); - } - if (skb) ieee80211_tx_status_irqsafe(pDevice->hw, skb); |