From 3fa0917beb29d886550fcf61a6378563d1ce9684 Mon Sep 17 00:00:00 2001
From: Malcolm Priestley <tvboxspy@gmail.com>
Date: Thu, 9 Apr 2015 20:53:43 +0100
Subject: [PATCH] staging: vt6655: device_free_tx_buf use only
 ieee80211_tx_status_irqsafe

TD_FLAGS_NETIF_SKB is only for data.

Fixes issue of ack frames not being reported.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Cc: <stable@vger.kernel.org> # v3.19+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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