[PATCH 3.19.y-ckt 125/146] staging: vt6655: Fix TD_FLAGS_NETIF_SKB only on TYPE_AC0DMA

From: Kamal Mostafa
Date: Wed Jun 17 2015 - 19:07:14 EST


3.19.8-ckt2 -stable review patch. If anyone has any objections, please let me know.

------------------

From: Malcolm Priestley <tvboxspy@xxxxxxxxx>

commit d17f4c8a42256dae6aa598bdbc00eff8b38cc949 upstream.

Allow only TD_FLAGS_NETIF_SKB on ring buffer TYPE_AC0DMA for data
only transfers for correct reporting of tx rates.

Signed-off-by: Malcolm Priestley <tvboxspy@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
drivers/staging/vt6655/device_main.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index cc84098..4d29c05 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -1252,12 +1252,13 @@ static int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)

head_td->buff_addr = cpu_to_le32(head_td->pTDInfo->skb_dma);

- head_td->pTDInfo->byFlags = TD_FLAGS_NETIF_SKB;
+ if (dma_idx == TYPE_AC0DMA) {
+ head_td->pTDInfo->byFlags = TD_FLAGS_NETIF_SKB;

- if (dma_idx == TYPE_AC0DMA)
MACvTransmitAC0(priv->PortOffset);
- else
+ } else {
MACvTransmit0(priv->PortOffset);
+ }

spin_unlock_irqrestore(&priv->lock, flags);

--
1.9.1

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