[PATCH v2 00/11] staging: rtl8192e: Remove unused variables from struct rt_stats

[PATCH v2 00/11] staging: rtl8192e: Remove unused variables from struct rt_stats

[Philipp Hortmann]

Remove unused variables from struct rt_stats.

Tested with rtl8192e
Transferred this patch over wlan connection of rtl8192e
---
V1-V2: Removed further unused variable preamble_guardinterval from
       "Remove unused variables numpacket.. and received_pre.."
       Removed further unused variables prxsc and rxsc_sgien_exflg
       from "Remove unused variables num_proc.., recei.. and rxov.."

Philipp Hortmann (11):
  staging: rtl8192e: Remove unused variables rxrdu and rxok
  staging: rtl8192e: Remove unused variables rxdatacrcerr and
    rxmgmtcrcerr
  staging: rtl8192e: Remove unused variables rxcrcerrmin and friends
  staging: rtl8192e: Remove unused variables numpacket.. and
    received_pre..
  staging: rtl8192e: Remove unused variables numqry_..
  staging: rtl8192e: Remove unused variables num_proc.., recei.. and
    rxov..
  staging: rtl8192e: Remove unused variables rxint, ints and shints
  staging: rtl8192e: Remove unused variables txov.., txbeokint and
    txbkokint
  staging: rtl8192e: Remove unused variables txviok.., txvook.. and
    txbea..
  staging: rtl8192e: Remove unused variables txbeac.., txman.. and
    txcmdp..
  staging: rtl8192e: Remove unused variables txbytes.., txbyt.. and
    signa..

 .../staging/rtl8192e/rtl8192e/r8192E_dev.c    | 39 +---------------
 drivers/staging/rtl8192e/rtl8192e/rtl_core.c  | 44 ++-----------------
 drivers/staging/rtl8192e/rtl8192e/rtl_core.h  | 31 -------------
 3 files changed, 5 insertions(+), 109 deletions(-)

-- 
2.39.1

[PATCH v2 01/11] staging: rtl8192e: Remove unused variables rxrdu and rxok

[Philipp Hortmann]

rxrdu and rxok are initialized and increased but never read. Remove dead
code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
---
 drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 2 --
 drivers/staging/rtl8192e/rtl8192e/rtl_core.h | 2 --
 2 files changed, 4 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 80450d46191c..605146c840c7 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -1938,7 +1938,6 @@ static void _rtl92e_rx_normal(struct net_device *dev)
 		if (!rtllib_rx(priv->rtllib, skb, &stats)) {
 			dev_kfree_skb_any(skb);
 		} else {
-			priv->stats.rxok++;
 			if (unicast_packet)
 				priv->stats.rxbytesunicast += skb_len;
 		}
@@ -2186,7 +2185,6 @@ static irqreturn_t _rtl92e_irq(int irq, void *netdev)
 		tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
 
 	if (inta & IMR_RDU) {
-		priv->stats.rxrdu++;
 		rtl92e_writel(dev, INTA_MASK,
 			      rtl92e_readl(dev, INTA_MASK) & ~IMR_RDU);
 		tasklet_schedule(&priv->irq_rx_tasklet);
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
index 983bc663a570..82cbc7f5536a 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
@@ -183,8 +183,6 @@ enum reset_type {
 };
 
 struct rt_stats {
-	unsigned long rxrdu;
-	unsigned long rxok;
 	unsigned long rxdatacrcerr;
 	unsigned long rxmgmtcrcerr;
 	unsigned long rxcrcerrmin;
-- 
2.39.1

[PATCH v2 02/11] staging: rtl8192e: Remove unused variables rxdatacrcerr and rxmgmtcrcerr

[Philipp Hortmann]

rxdatacrcerr and rxmgmtcrcerr are initialized and increased but never
read. Remove dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
---
 drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 7 -------
 drivers/staging/rtl8192e/rtl8192e/rtl_core.h | 2 --
 2 files changed, 9 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 605146c840c7..e0d0f4faeca7 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -1926,13 +1926,6 @@ static void _rtl92e_rx_normal(struct net_device *dev)
 				priv->rtllib->LedControlHandler(dev,
 							LED_CTL_RX);
 
-		if (stats.bCRC) {
-			if (type != RTLLIB_FTYPE_MGMT)
-				priv->stats.rxdatacrcerr++;
-			else
-				priv->stats.rxmgmtcrcerr++;
-		}
-
 		skb_len = skb->len;
 
 		if (!rtllib_rx(priv->rtllib, skb, &stats)) {
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
index 82cbc7f5536a..f91a6f7a4e0a 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
@@ -183,8 +183,6 @@ enum reset_type {
 };
 
 struct rt_stats {
-	unsigned long rxdatacrcerr;
-	unsigned long rxmgmtcrcerr;
 	unsigned long rxcrcerrmin;
 	unsigned long rxcrcerrmid;
 	unsigned long rxcrcerrmax;
-- 
2.39.1

[PATCH v2 03/11] staging: rtl8192e: Remove unused variables rxcrcerrmin and friends

[Philipp Hortmann]

rxcrcerrmin, rxcrcerrmax and rxcrcerrmid are initialized and increased
but never read. Remove dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
---
 drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 10 ----------
 drivers/staging/rtl8192e/rtl8192e/rtl_core.h   |  3 ---
 2 files changed, 13 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index 9260d308e68b..e9273dfb638e 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -1812,7 +1812,6 @@ static void _rtl92e_update_received_rate_histogram_stats(
 bool rtl92e_get_rx_stats(struct net_device *dev, struct rtllib_rx_stats *stats,
 			 struct rx_desc *pdesc, struct sk_buff *skb)
 {
-	struct r8192_priv *priv = rtllib_priv(dev);
 	struct rx_fwinfo *pDrvInfo = NULL;
 
 	stats->bICV = pdesc->ICV;
@@ -1825,15 +1824,6 @@ bool rtl92e_get_rx_stats(struct net_device *dev, struct rtllib_rx_stats *stats,
 
 	if (stats->bHwError) {
 		stats->bShift = false;
-
-		if (pdesc->CRC32) {
-			if (pdesc->Length < 500)
-				priv->stats.rxcrcerrmin++;
-			else if (pdesc->Length > 1000)
-				priv->stats.rxcrcerrmax++;
-			else
-				priv->stats.rxcrcerrmid++;
-		}
 		return false;
 	}
 
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
index f91a6f7a4e0a..167c4aeea44e 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
@@ -183,9 +183,6 @@ enum reset_type {
 };
 
 struct rt_stats {
-	unsigned long rxcrcerrmin;
-	unsigned long rxcrcerrmid;
-	unsigned long rxcrcerrmax;
 	unsigned long received_rate_histogram[4][32];
 	unsigned long received_preamble_GI[2][32];
 	unsigned long numpacket_matchbssid;
-- 
2.39.1

[PATCH v2 04/11] staging: rtl8192e: Remove unused variables numpacket.. and received_pre..

[Philipp Hortmann]

numpacket_toself, numpacket_matchbssid and received_preamble_GI are
initialized and increased but never read. Remove dead code. As a result
the local variable preamble_guardinterval is unused. Remove it also.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
---
V1->V2: removed unused variable preamble_guardinterval
---
 drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 11 -----------
 drivers/staging/rtl8192e/rtl8192e/rtl_core.h   |  3 ---
 2 files changed, 14 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index e9273dfb638e..b4651cea07a1 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -1685,10 +1685,6 @@ static void _rtl92e_translate_rx_signal_stats(struct net_device *dev,
 			 ether_addr_equal(praddr, priv->rtllib->dev->dev_addr);
 	if (WLAN_FC_GET_FRAMETYPE(fc) == RTLLIB_STYPE_BEACON)
 		bPacketBeacon = true;
-	if (bpacket_match_bssid)
-		priv->stats.numpacket_matchbssid++;
-	if (bpacket_toself)
-		priv->stats.numpacket_toself++;
 	_rtl92e_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
 	_rtl92e_query_rxphystatus(priv, pstats, pdesc, pdrvinfo,
 				  &previous_stats, bpacket_match_bssid,
@@ -1703,18 +1699,12 @@ static void _rtl92e_update_received_rate_histogram_stats(
 	struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
 	u32 rcvType = 1;
 	u32 rateIndex;
-	u32 preamble_guardinterval;
 
 	if (pstats->bCRC)
 		rcvType = 2;
 	else if (pstats->bICV)
 		rcvType = 3;
 
-	if (pstats->bShortPreamble)
-		preamble_guardinterval = 1;
-	else
-		preamble_guardinterval = 0;
-
 	switch (pstats->rate) {
 	case MGN_1M:
 		rateIndex = 0;
@@ -1804,7 +1794,6 @@ static void _rtl92e_update_received_rate_histogram_stats(
 		rateIndex = 28;
 		break;
 	}
-	priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
 	priv->stats.received_rate_histogram[0][rateIndex]++;
 	priv->stats.received_rate_histogram[rcvType][rateIndex]++;
 }
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
index 167c4aeea44e..70767238e721 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
@@ -184,9 +184,6 @@ enum reset_type {
 
 struct rt_stats {
 	unsigned long received_rate_histogram[4][32];
-	unsigned long received_preamble_GI[2][32];
-	unsigned long numpacket_matchbssid;
-	unsigned long numpacket_toself;
 	unsigned long num_process_phyinfo;
 	unsigned long numqry_phystatus;
 	unsigned long numqry_phystatusCCK;
-- 
2.39.1

[PATCH v2 05/11] staging: rtl8192e: Remove unused variables numqry_..

[Philipp Hortmann]

numqry_phystatus, numqry_phystatusCCK and numqry_phystatusHT are
initialized and increased but never read. Remove dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
---
 drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 4 ----
 drivers/staging/rtl8192e/rtl8192e/rtl_core.h   | 3 ---
 2 files changed, 7 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index b4651cea07a1..f62547e54261 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -1308,8 +1308,6 @@ static void _rtl92e_query_rxphystatus(
 	static	u8 check_reg824;
 	static	u32 reg824_bit9;
 
-	priv->stats.numqry_phystatus++;
-
 	is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
 	memset(precord_stats, 0, sizeof(struct rtllib_rx_stats));
 	pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID =
@@ -1341,7 +1339,6 @@ static void _rtl92e_query_rxphystatus(
 	if (is_cck_rate) {
 		u8 report;
 
-		priv->stats.numqry_phystatusCCK++;
 		if (!reg824_bit9) {
 			report = pcck_buf->cck_agc_rpt & 0xc0;
 			report >>= 6;
@@ -1416,7 +1413,6 @@ static void _rtl92e_query_rxphystatus(
 			precord_stats->RxMIMOSignalQuality[1] = -1;
 		}
 	} else {
-		priv->stats.numqry_phystatusHT++;
 		for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) {
 			if (priv->brfpath_rxenable[i])
 				rf_rx_num++;
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
index 70767238e721..e38de4d8a467 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
@@ -185,9 +185,6 @@ enum reset_type {
 struct rt_stats {
 	unsigned long received_rate_histogram[4][32];
 	unsigned long num_process_phyinfo;
-	unsigned long numqry_phystatus;
-	unsigned long numqry_phystatusCCK;
-	unsigned long numqry_phystatusHT;
 	unsigned long received_bwtype[5];
 	unsigned long rxoverflow;
 	unsigned long rxint;
-- 
2.39.1

[PATCH v2 06/11] staging: rtl8192e: Remove unused variables num_proc.., recei.. and rxov..

[Philipp Hortmann]

num_process_phyinfo, received_bwtype and rxoverflow are initialized and
increased but never read. Remove dead code. As a result prxsc is unused
which in result makes rxsc_sgien_exflg unused. Remove prxsc and
rxsc_sgien_exflg as well.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
---
V1->V2: Remove prxsc and rxsc_sgien_exflg
---
 drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 13 +------------
 drivers/staging/rtl8192e/rtl8192e/rtl_core.c   |  4 +---
 drivers/staging/rtl8192e/rtl8192e/rtl_core.h   |  3 ---
 3 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index f62547e54261..9d13fda33fbf 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -1296,9 +1296,8 @@ static void _rtl92e_query_rxphystatus(
 {
 	struct phy_sts_ofdm_819xpci *pofdm_buf;
 	struct phy_sts_cck_819xpci *pcck_buf;
-	struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
 	u8 *prxpkt;
-	u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
+	u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm;
 	s8 rx_pwr[4], rx_pwr_all = 0;
 	s8 rx_snrX, rx_evmX;
 	u8 evm, pwdb_all;
@@ -1464,15 +1463,6 @@ static void _rtl92e_query_rxphystatus(
 				precord_stats->RxMIMOSignalQuality[i] = evm & 0xff;
 			}
 		}
-
-
-		rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
-		prxsc = (struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
-			&rxsc_sgien_exflg;
-		if (pdrvinfo->BW)
-			priv->stats.received_bwtype[1+prxsc->rxsc]++;
-		else
-			priv->stats.received_bwtype[0]++;
 	}
 
 	if (is_cck_rate) {
@@ -1535,7 +1525,6 @@ static void _rtl92e_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
 	if (!bcheck)
 		return;
 
-	priv->stats.num_process_phyinfo++;
 	if (!prev_st->bIsCCK && prev_st->bPacketToSelf) {
 		for (rfpath = RF90_PATH_A; rfpath < RF90_PATH_C; rfpath++) {
 			if (!rtl92e_is_legal_rf_path(priv->rtllib->dev, rfpath))
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index e0d0f4faeca7..c5fe8e0aa83f 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -2183,10 +2183,8 @@ static irqreturn_t _rtl92e_irq(int irq, void *netdev)
 		tasklet_schedule(&priv->irq_rx_tasklet);
 	}
 
-	if (inta & IMR_RXFOVW) {
-		priv->stats.rxoverflow++;
+	if (inta & IMR_RXFOVW)
 		tasklet_schedule(&priv->irq_rx_tasklet);
-	}
 
 	if (inta & IMR_TXFOVW)
 		priv->stats.txoverflow++;
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
index e38de4d8a467..bb942283bc7a 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
@@ -184,9 +184,6 @@ enum reset_type {
 
 struct rt_stats {
 	unsigned long received_rate_histogram[4][32];
-	unsigned long num_process_phyinfo;
-	unsigned long received_bwtype[5];
-	unsigned long rxoverflow;
 	unsigned long rxint;
 	unsigned long ints;
 	unsigned long shints;
-- 
2.39.1

[PATCH v2 07/11] staging: rtl8192e: Remove unused variables rxint, ints and shints

[Philipp Hortmann]

rxint, ints and shints are initialized and increased but never read.
Remove dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
---
 drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 7 +------
 drivers/staging/rtl8192e/rtl8192e/rtl_core.h | 3 ---
 2 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index c5fe8e0aa83f..ff9dc06642f6 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -2123,7 +2123,6 @@ static irqreturn_t _rtl92e_irq(int irq, void *netdev)
 	spin_lock_irqsave(&priv->irq_th_lock, flags);
 
 	priv->ops->interrupt_recognized(dev, &inta, &intb);
-	priv->stats.shints++;
 
 	if (!inta) {
 		spin_unlock_irqrestore(&priv->irq_th_lock, flags);
@@ -2135,8 +2134,6 @@ static irqreturn_t _rtl92e_irq(int irq, void *netdev)
 		goto done;
 	}
 
-	priv->stats.ints++;
-
 	if (!netif_running(dev)) {
 		spin_unlock_irqrestore(&priv->irq_th_lock, flags);
 		goto done;
@@ -2169,10 +2166,8 @@ static irqreturn_t _rtl92e_irq(int irq, void *netdev)
 	if (inta & IMR_HIGHDOK)
 		_rtl92e_tx_isr(dev, HIGH_QUEUE);
 
-	if (inta & IMR_ROK) {
-		priv->stats.rxint++;
+	if (inta & IMR_ROK)
 		tasklet_schedule(&priv->irq_rx_tasklet);
-	}
 
 	if (inta & IMR_BcnInt)
 		tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
index bb942283bc7a..2d1561a202d0 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
@@ -184,9 +184,6 @@ enum reset_type {
 
 struct rt_stats {
 	unsigned long received_rate_histogram[4][32];
-	unsigned long rxint;
-	unsigned long ints;
-	unsigned long shints;
 	unsigned long txoverflow;
 	unsigned long txbeokint;
 	unsigned long txbkokint;
-- 
2.39.1

[PATCH v2 08/11] staging: rtl8192e: Remove unused variables txov.., txbeokint and txbkokint

[Philipp Hortmann]

txoverflow, txbeokint and txbkokint are initialized and increased but
never read. Remove dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
---
 drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 5 -----
 drivers/staging/rtl8192e/rtl8192e/rtl_core.h | 3 ---
 2 files changed, 8 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index ff9dc06642f6..768324cbe253 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -2181,17 +2181,12 @@ static irqreturn_t _rtl92e_irq(int irq, void *netdev)
 	if (inta & IMR_RXFOVW)
 		tasklet_schedule(&priv->irq_rx_tasklet);
 
-	if (inta & IMR_TXFOVW)
-		priv->stats.txoverflow++;
-
 	if (inta & IMR_BKDOK) {
-		priv->stats.txbkokint++;
 		priv->rtllib->link_detect_info.NumTxOkInPeriod++;
 		_rtl92e_tx_isr(dev, BK_QUEUE);
 	}
 
 	if (inta & IMR_BEDOK) {
-		priv->stats.txbeokint++;
 		priv->rtllib->link_detect_info.NumTxOkInPeriod++;
 		_rtl92e_tx_isr(dev, BE_QUEUE);
 	}
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
index 2d1561a202d0..96d340f686e9 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
@@ -184,9 +184,6 @@ enum reset_type {
 
 struct rt_stats {
 	unsigned long received_rate_histogram[4][32];
-	unsigned long txoverflow;
-	unsigned long txbeokint;
-	unsigned long txbkokint;
 	unsigned long txviokint;
 	unsigned long txvookint;
 	unsigned long txbeaconokint;
-- 
2.39.1

[PATCH v2 09/11] staging: rtl8192e: Remove unused variables txviok.., txvook.. and txbea..

[Philipp Hortmann]

txviokint, txvookint and txbeaconokint are initialized and increased but
never read. Remove dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
---
 drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 5 -----
 drivers/staging/rtl8192e/rtl8192e/rtl_core.h | 3 ---
 2 files changed, 8 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 768324cbe253..4cc90425fa4c 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -2139,9 +2139,6 @@ static irqreturn_t _rtl92e_irq(int irq, void *netdev)
 		goto done;
 	}
 
-	if (inta & IMR_TBDOK)
-		priv->stats.txbeaconokint++;
-
 	if (inta & IMR_TBDER)
 		priv->stats.txbeaconerr++;
 
@@ -2192,13 +2189,11 @@ static irqreturn_t _rtl92e_irq(int irq, void *netdev)
 	}
 
 	if (inta & IMR_VIDOK) {
-		priv->stats.txviokint++;
 		priv->rtllib->link_detect_info.NumTxOkInPeriod++;
 		_rtl92e_tx_isr(dev, VI_QUEUE);
 	}
 
 	if (inta & IMR_VODOK) {
-		priv->stats.txvookint++;
 		priv->rtllib->link_detect_info.NumTxOkInPeriod++;
 		_rtl92e_tx_isr(dev, VO_QUEUE);
 	}
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
index 96d340f686e9..f8b2201ea288 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
@@ -184,9 +184,6 @@ enum reset_type {
 
 struct rt_stats {
 	unsigned long received_rate_histogram[4][32];
-	unsigned long txviokint;
-	unsigned long txvookint;
-	unsigned long txbeaconokint;
 	unsigned long txbeaconerr;
 	unsigned long txmanageokint;
 	unsigned long txcmdpktokint;
-- 
2.39.1

[PATCH v2 10/11] staging: rtl8192e: Remove unused variables txbeac.., txman.. and txcmdp..

[Philipp Hortmann]

txbeaconerr, txmanageokint and txcmdpktokint are initialized and increased
but never read. Remove dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
---
 drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 8 +-------
 drivers/staging/rtl8192e/rtl8192e/rtl_core.h | 3 ---
 2 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 4cc90425fa4c..2c5edda74e73 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -2139,11 +2139,7 @@ static irqreturn_t _rtl92e_irq(int irq, void *netdev)
 		goto done;
 	}
 
-	if (inta & IMR_TBDER)
-		priv->stats.txbeaconerr++;
-
 	if (inta  & IMR_MGNTDOK) {
-		priv->stats.txmanageokint++;
 		_rtl92e_tx_isr(dev, MGNT_QUEUE);
 		spin_unlock_irqrestore(&priv->irq_th_lock, flags);
 		if (priv->rtllib->ack_tx_to_ieee) {
@@ -2155,10 +2151,8 @@ static irqreturn_t _rtl92e_irq(int irq, void *netdev)
 		spin_lock_irqsave(&priv->irq_th_lock, flags);
 	}
 
-	if (inta & IMR_COMDOK) {
-		priv->stats.txcmdpktokint++;
+	if (inta & IMR_COMDOK)
 		_rtl92e_tx_isr(dev, TXCMD_QUEUE);
-	}
 
 	if (inta & IMR_HIGHDOK)
 		_rtl92e_tx_isr(dev, HIGH_QUEUE);
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
index f8b2201ea288..c6a4ac6ce959 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
@@ -184,9 +184,6 @@ enum reset_type {
 
 struct rt_stats {
 	unsigned long received_rate_histogram[4][32];
-	unsigned long txbeaconerr;
-	unsigned long txmanageokint;
-	unsigned long txcmdpktokint;
 	unsigned long txbytesmulticast;
 	unsigned long txbytesbroadcast;
 	unsigned long txbytesunicast;
-- 
2.39.1

[PATCH v2 11/11] staging: rtl8192e: Remove unused variables txbytes.., txbyt.. and signa..

[Philipp Hortmann]

txbytesmulticast, txbytesbroadcast and signal_quality are initialized and
increased or set but never read. Remove dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
---
 drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 1 -
 drivers/staging/rtl8192e/rtl8192e/rtl_core.c   | 6 +-----
 drivers/staging/rtl8192e/rtl8192e/rtl_core.h   | 3 ---
 3 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index 9d13fda33fbf..3989d484cc33 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -1613,7 +1613,6 @@ static void _rtl92e_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
 
 			tmp_val = priv->stats.slide_evm_total /
 				  slide_evm_statistics;
-			priv->stats.signal_quality = tmp_val;
 			priv->stats.last_signal_strength_inpercent = tmp_val;
 		}
 
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 2c5edda74e73..f8a8ece40ac1 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -1616,11 +1616,7 @@ static short _rtl92e_tx(struct net_device *dev, struct sk_buff *skb)
 	type = WLAN_FC_GET_TYPE(fc);
 	pda_addr = header->addr1;
 
-	if (is_broadcast_ether_addr(pda_addr))
-		priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
-	else if (is_multicast_ether_addr(pda_addr))
-		priv->stats.txbytesmulticast += skb->len - fwinfo_size;
-	else
+	if (!is_broadcast_ether_addr(pda_addr) && !is_multicast_ether_addr(pda_addr))
 		priv->stats.txbytesunicast += skb->len - fwinfo_size;
 
 	spin_lock_irqsave(&priv->irq_th_lock, flags);
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
index c6a4ac6ce959..4cf776094ac0 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
@@ -184,8 +184,6 @@ enum reset_type {
 
 struct rt_stats {
 	unsigned long received_rate_histogram[4][32];
-	unsigned long txbytesmulticast;
-	unsigned long txbytesbroadcast;
 	unsigned long txbytesunicast;
 	unsigned long rxbytesunicast;
 	unsigned long txretrycount;
@@ -195,7 +193,6 @@ struct rt_stats {
 	unsigned long	slide_rssi_total;
 	unsigned long slide_evm_total;
 	long signal_strength;
-	long signal_quality;
 	long last_signal_strength_inpercent;
 	long	recv_signal_power;
 	u8 rx_rssi_percentage[4];
-- 
2.39.1