[PATCH] staging: rtl8192u: remove redundant variables

[Kenneth Lu <kuohsianglu@xxxxxxxxx>]

Clean up W=1 warning: variable set but not used.

Signed-off-by: Kenneth Lu <kuohsianglu@xxxxxxxxx>
---
 drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c |  2 --
 drivers/staging/rtl8192u/r8192U_core.c            | 11 +----------
 drivers/staging/rtl8192u/r8192U_dm.c              |  3 +--
 3 files changed, 2 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
index 37a610d..535186b 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
@@ -893,7 +893,6 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	u16 fc, type, stype, sc;
 	struct net_device_stats *stats;
 	unsigned int frag;
-	u8 *payload;
 	u16 ethertype;
 	//added by amy for reorder
 	u8	TID = 0;
@@ -1274,7 +1273,6 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	}
 //added by amy for reorder
 	/* skb: hdr + (possible reassembled) full plaintext payload */
-	payload = skb->data + hdrlen;
 	//ethertype = (payload[6] << 8) | payload[7];
 	rxb = kmalloc(sizeof(struct ieee80211_rxb), GFP_ATOMIC);
 	if (!rxb)
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index d607c59..e86b2c8 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -1004,7 +1004,6 @@ static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
 				   int rate)
 {
 	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
-	int ret;
 	unsigned long flags;
 	struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
 	u8 queue_index = tcb_desc->queue_index;
@@ -1017,7 +1016,6 @@ static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
 	*(struct net_device **)(skb->cb) = dev;
 	tcb_desc->bTxEnableFwCalcDur = 1;
 	skb_push(skb, priv->ieee80211->tx_headroom);
-	ret = rtl8192_tx(dev, skb);
 
 	spin_unlock_irqrestore(&priv->tx_lock, flags);
 }
@@ -3623,7 +3621,6 @@ int rtl8192_down(struct net_device *dev)
 void rtl8192_commit(struct net_device *dev)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
-	int reset_status = 0;
 
 	if (priv->up == 0)
 		return;
@@ -3635,7 +3632,6 @@ void rtl8192_commit(struct net_device *dev)
 	ieee80211_softmac_stop_protocol(priv->ieee80211);
 
 	rtl8192_rtx_disable(dev);
-	reset_status = _rtl8192_up(dev);
 }
 
 static void rtl8192_restart(struct work_struct *work)
@@ -3971,11 +3967,10 @@ static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
 
 	struct rtl_80211_hdr_3addr *hdr;
 	u16 sc;
-	unsigned int frag, seq;
+	unsigned int seq;
 
 	hdr = (struct rtl_80211_hdr_3addr *)buffer;
 	sc = le16_to_cpu(hdr->seq_ctl);
-	frag = WLAN_GET_SEQ_FRAG(sc);
 	seq = WLAN_GET_SEQ_SEQ(sc);
 	/* to record the sequence number */
 	pcurrent_stats->Seq_Num = seq;
@@ -4811,14 +4806,10 @@ static void rtl819xusb_process_received_packet(
 		struct net_device *dev,
 		struct ieee80211_rx_stats *pstats)
 {
-	u8	*frame;
-	u16     frame_len = 0;
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
 	/* Get shifted bytes of Starting address of 802.11 header. */
 	pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
-	frame = pstats->virtual_address;
-	frame_len = pstats->packetlength;
 #ifdef TODO	/* about HCT */
 	if (!Adapter->bInHctTest)
 		CountRxErrStatistics(Adapter, pRfd);
diff --git a/drivers/staging/rtl8192u/r8192U_dm.c b/drivers/staging/rtl8192u/r8192U_dm.c
index e1b81d34..44aca291 100644
--- a/drivers/staging/rtl8192u/r8192U_dm.c
+++ b/drivers/staging/rtl8192u/r8192U_dm.c
@@ -509,7 +509,7 @@ static u8	CCKSwingTable_Ch14[CCK_Table_length][8] = {
 static void dm_TXPowerTrackingCallback_TSSI(struct net_device *dev)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
-	bool						bHighpowerstate, viviflag = false;
+	bool						viviflag = false;
 	DCMD_TXCMD_T			tx_cmd;
 	u8						powerlevelOFDM24G;
 	int						i = 0, j = 0, k = 0;
@@ -524,7 +524,6 @@ static void dm_TXPowerTrackingCallback_TSSI(struct net_device *dev)
 	write_nic_byte(dev, 0x1ba, 0);
 
 	priv->ieee80211->bdynamic_txpower_enable = false;
-	bHighpowerstate = priv->bDynamicTxHighPower;
 
 	powerlevelOFDM24G = (u8)(priv->Pwr_Track>>24);
 	RF_Type = priv->rf_type;
-- 
2.7.4

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