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

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Date:	Wed, 17 Jun 2015 15:23:50 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Malcolm Priestley <tvboxspy@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.19.y-ckt 125/146] staging: vt6655: Fix TD_FLAGS_NETIF_SKB only on TYPE_AC0DMA

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

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

From: Malcolm Priestley <tvboxspy@...il.com>

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@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 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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