linux-kernel - [PATCH 3.19.y-ckt 040/146] staging: vt6655: device_free_tx_buf use only ieee80211_tx_status

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Message-Id: <1434579851-1719-41-git-send-email-kamal@canonical.com>
Date:	Wed, 17 Jun 2015 15:22:25 -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 040/146] staging: vt6655: device_free_tx_buf use only ieee80211_tx_status_irqsafe

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

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

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

commit 3fa0917beb29d886550fcf61a6378563d1ce9684 upstream.

TD_FLAGS_NETIF_SKB is only for data.

Fixes issue of ack frames not being reported.

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 | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index ace0521..4584360 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -1033,10 +1033,8 @@ static void device_free_tx_buf(struct vnt_private *pDevice, PSTxDesc pDesc)
 				 PCI_DMA_TODEVICE);
 	}
 
-	if (pTDInfo->byFlags & TD_FLAGS_NETIF_SKB)
+	if (skb)
 		ieee80211_tx_status_irqsafe(pDevice->hw, skb);
-	else
-		dev_kfree_skb_irq(skb);
 
 	pTDInfo->skb_dma = 0;
 	pTDInfo->skb = NULL;
-- 
1.9.1

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