staging: vt6656: rxtx struct vnt_mic_hdr change tsc_47_16/tsc_15_0

Replace with ccmp_pn with size of IEEE80211_CCMP_PN_LEN(6)

memcpy the struct ieee80211_key_seq -> ccmp.pn onto ccmp_pn
removing the need for endian conversion.
Signed-off-by: NMalcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6656/rxtx.c

@@ -848,13 +848,7 @@ static void vnt_fill_txkey(struct vnt_usb_send_context *tx_context,
 
 		ieee80211_get_key_tx_seq(tx_key, &seq);
 
-		mic_hdr->tsc_47_16 = cpu_to_be32((u32)seq.ccmp.pn[3] |
-						((u32)seq.ccmp.pn[2] << 8) |
-						((u32)seq.ccmp.pn[1] << 16) |
-						((u32)seq.ccmp.pn[0] << 24));
-
-		mic_hdr->tsc_15_0 = cpu_to_be16((u16)seq.ccmp.pn[5] |
-						((u16)seq.ccmp.pn[4] << 8));
+		memcpy(mic_hdr->ccmp_pn, seq.ccmp.pn, IEEE80211_CCMP_PN_LEN);
 
 		if (ieee80211_has_a4(hdr->frame_control))
 			mic_hdr->hlen = cpu_to_be16(28);

drivers/staging/vt6656/rxtx.h

@@ -41,8 +41,7 @@ struct vnt_mic_hdr {
 	u8 id;
 	u8 tx_priority;
 	u8 mic_addr2[6];
-	__be32 tsc_47_16;
-	__be16 tsc_15_0;
+	u8 ccmp_pn[IEEE80211_CCMP_PN_LEN];
 	__be16 payload_len;
 	__be16 hlen;
 	__le16 frame_control;