[PATCH 0/8 V4] rtlwifi: Patches to fix problems shown by smatch

[PATCH 0/8 V4] rtlwifi: Patches to fix problems shown by smatch

[Larry Finger]

Fix smatch warnings and errors in the rtlwifi family of drivers.

V2 addresses comments by David Laight and Sergei Shtylyov.
V3 addresses further comments by David, Sergei, and Kalle Valo. The
   dead code is removed, and the variable is left in the struct.
V4 Fixes extra line removed by accident from rtl8192de/hw.c as
   noted by Sergei

Signed-off-by: Larry Finger <Larry.Finger-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
---

Larry Finger (8):
  rtlwifi: rtl8192du: Fix smatch errors in /rtl8192de/dm.c
  rtlwifi: rtl8192de: Fix smatch warnings in rtl8192de/hw.c
  rtlwifi: rtl8192cu: Fix smatch warning in rtl8192cu/trx.c
  rtlwifi: rtl8192_common: Fix smatch errors and warnings in
    rtl8192c/dm_common.c
  rtlwifi: Fix smatch warning in pci.c
  rtlwifi: Fix smatch warnings in usb.c
  rtlwifi: rtl8188ee: Fix smatch warning in rtl8188ee/hw.c
  rtlwifi: Remove all remaining references to variable 'noise' in
    rtl_stats struct

 drivers/net/wireless/rtlwifi/pci.c                |  1 -
 drivers/net/wireless/rtlwifi/rtl8188ee/hw.c       |  1 +
 drivers/net/wireless/rtlwifi/rtl8188ee/trx.c      |  1 -
 drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c | 25 +----------------------
 drivers/net/wireless/rtlwifi/rtl8192ce/trx.c      |  1 -
 drivers/net/wireless/rtlwifi/rtl8192cu/trx.c      |  2 --
 drivers/net/wireless/rtlwifi/rtl8192de/dm.c       |  8 ++++++--
 drivers/net/wireless/rtlwifi/rtl8192de/hw.c       | 18 ----------------
 drivers/net/wireless/rtlwifi/rtl8192de/trx.c      |  1 -
 drivers/net/wireless/rtlwifi/rtl8192se/trx.c      |  1 -
 drivers/net/wireless/rtlwifi/rtl8723ae/trx.c      |  1 -
 drivers/net/wireless/rtlwifi/usb.c                |  6 ++++--
 12 files changed, 12 insertions(+), 54 deletions(-)

-- 
1.8.1.4

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[PATCH 1/8 V4] rtlwifi: rtl8192du: Fix smatch errors in /rtl8192de/dm.c

[Larry Finger]

Smatch lists the following:
  CHECK   drivers/net/wireless/rtlwifi/rtl8192de/dm.c
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1054 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'ofdm_index' 2 <= 2
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1056 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'ofdm_index' 2 <= 2
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1126 rtl92d_dm_txpower_tracking_callback_thermalmeter() debug: remove_pools: nr_children over 4000 (4596). (rtlpriv->dbg.global_debuglevel merged)
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1126 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1129 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1132 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1135 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1138 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1141 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1144 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1147 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1151 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1154 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1157 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1160 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1163 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1166 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1169 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1172 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255

This patch fixes several off-by-one errors. It also removes a comment
referencing variable 'noise' in the rts_stats struct.

Signed-off-by: Larry Finger <Larry.Finger-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
---
 drivers/net/wireless/rtlwifi/rtl8192de/dm.c  | 8 ++++++--
 drivers/net/wireless/rtlwifi/rtl8192de/trx.c | 1 -
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/dm.c b/drivers/net/wireless/rtlwifi/rtl8192de/dm.c
index 47875ba..eaeee77 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192de/dm.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/dm.c
@@ -840,9 +840,9 @@ static void rtl92d_dm_txpower_tracking_callback_thermalmeter(
 	bool internal_pa = false;
 	long ele_a = 0, ele_d, temp_cck, val_x, value32;
 	long val_y, ele_c = 0;
-	u8 ofdm_index[2];
+	u8 ofdm_index[3];
 	s8 cck_index = 0;
-	u8 ofdm_index_old[2] = {0, 0};
+	u8 ofdm_index_old[3] = {0, 0, 0};
 	s8 cck_index_old = 0;
 	u8 index;
 	int i;
@@ -1118,6 +1118,10 @@ static void rtl92d_dm_txpower_tracking_callback_thermalmeter(
 				 val_x, val_y, ele_a, ele_c, ele_d,
 				 val_x, val_y);
 
+			if (cck_index >= CCK_TABLE_SIZE)
+				cck_index = CCK_TABLE_SIZE - 1;
+			if (cck_index < 0)
+				cck_index = 0;
 			if (rtlhal->current_bandtype == BAND_ON_2_4G) {
 				/* Adjust CCK according to IQK result */
 				if (!rtlpriv->dm.cck_inch14) {
diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/trx.c b/drivers/net/wireless/rtlwifi/rtl8192de/trx.c
index b8ec718..945ddec 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192de/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/trx.c
@@ -526,7 +526,6 @@ bool rtl92de_rx_query_desc(struct ieee80211_hw *hw,	struct rtl_stats *stats,
 	}
 	/*rx_status->qual = stats->signal; */
 	rx_status->signal = stats->rssi + 10;
-	/*rx_status->noise = -stats->noise; */
 	return true;
 }
 
-- 
1.8.1.4

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[PATCH V4] rtlwifi: rtl8192de: Fix smatch warnings in rtl8192de/hw.c

[Larry Finger]

Smatch lists the following:
  CHECK   drivers/net/wireless/rtlwifi/rtl8192de/hw.c
drivers/net/wireless/rtlwifi/rtl8192de/hw.c:1200 rtl92de_set_qos() info: ignoring unreachable code.
drivers/net/wireless/rtlwifi/rtl8192de/hw.c:1200 rtl92de_set_qos() info: ignoring unreachable code.

The dead code is deleted.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
---
 drivers/net/wireless/rtlwifi/rtl8192de/hw.c | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/hw.c b/drivers/net/wireless/rtlwifi/rtl8192de/hw.c
index 7dd8f6d..c4a7db9 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192de/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/hw.c
@@ -1194,25 +1194,7 @@ void rtl92d_linked_set_reg(struct ieee80211_hw *hw)
  * mac80211 will send pkt when scan */
 void rtl92de_set_qos(struct ieee80211_hw *hw, int aci)
 {
-	struct rtl_priv *rtlpriv = rtl_priv(hw);
 	rtl92d_dm_init_edca_turbo(hw);
-	return;
-	switch (aci) {
-	case AC1_BK:
-		rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM, 0xa44f);
-		break;
-	case AC0_BE:
-		break;
-	case AC2_VI:
-		rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM, 0x5e4322);
-		break;
-	case AC3_VO:
-		rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM, 0x2f3222);
-		break;
-	default:
-		RT_ASSERT(false, "invalid aci: %d !\n", aci);
-		break;
-	}
 }
 
 void rtl92de_enable_interrupt(struct ieee80211_hw *hw)
-- 
1.8.1.4

[PATCH 3/8 V4] rtlwifi: rtl8192cu: Fix smatch warning in rtl8192cu/trx.c

[Larry Finger]

Smatch lists the following:
  CHECK   drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
drivers/net/wireless/rtlwifi/rtl8192cu/trx.c:367 _rtl_rx_process() warn: assigning (-98) to unsigned variable 'stats.noise'

This variable is unused, thus the initializer is removed, as well as a
comment referring to that variable.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
---
 drivers/net/wireless/rtlwifi/rtl8192cu/trx.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
index 763cf1d..04c7e57 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
@@ -349,7 +349,6 @@ bool rtl92cu_rx_query_desc(struct ieee80211_hw *hw,
 	}
 	/*rx_status->qual = stats->signal; */
 	rx_status->signal = stats->rssi + 10;
-	/*rx_status->noise = -stats->noise; */
 	return true;
 }
 
@@ -364,7 +363,6 @@ static void _rtl_rx_process(struct ieee80211_hw *hw, struct sk_buff *skb)
 	u8 *rxdesc;
 	struct rtl_stats stats = {
 		.signal = 0,
-		.noise = -98,
 		.rate = 0,
 	};
 	struct rx_fwinfo_92c *p_drvinfo;
-- 
1.8.1.4

[PATCH 4/8 V4] rtlwifi: rtl8192_common: Fix smatch errors and warnings in rtl8192c/dm_common.c

[Larry Finger]

Smatch lists the following:
  CHECK   drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:551 rtl92c_dm_pwdb_monitor() info: ignoring unreachable code.
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:551 rtl92c_dm_pwdb_monitor() info: ignoring unreachable code.
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:870 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:870 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:882 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:883 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:891 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:892 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2

The unreachable code message is fixed by deleting the code that follows a return.

The errors are fixed by increasing the size of txpwr_level.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
---
 drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c | 25 +----------------------
 1 file changed, 1 insertion(+), 24 deletions(-)

diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
index d2d57a2..e9caa5d 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
@@ -541,29 +541,6 @@ EXPORT_SYMBOL(rtl92c_dm_write_dig);
 
 static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw)
 {
-	struct rtl_priv *rtlpriv = rtl_priv(hw);
-	long tmpentry_max_pwdb = 0, tmpentry_min_pwdb = 0xff;
-
-	u8 h2c_parameter[3] = { 0 };
-
-	return;
-
-	if (tmpentry_max_pwdb != 0) {
-		rtlpriv->dm.entry_max_undec_sm_pwdb = tmpentry_max_pwdb;
-	} else {
-		rtlpriv->dm.entry_max_undec_sm_pwdb = 0;
-	}
-
-	if (tmpentry_min_pwdb != 0xff) {
-		rtlpriv->dm.entry_min_undec_sm_pwdb = tmpentry_min_pwdb;
-	} else {
-		rtlpriv->dm.entry_min_undec_sm_pwdb = 0;
-	}
-
-	h2c_parameter[2] = (u8) (rtlpriv->dm.undec_sm_pwdb & 0xFF);
-	h2c_parameter[0] = 0;
-
-	rtl92c_fill_h2c_cmd(hw, H2C_RSSI_REPORT, 3, h2c_parameter);
 }
 
 void rtl92c_dm_init_edca_turbo(struct ieee80211_hw *hw)
@@ -673,7 +650,7 @@ static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw
 	s8 cck_index = 0;
 	int i;
 	bool is2t = IS_92C_SERIAL(rtlhal->version);
-	s8 txpwr_level[2] = {0, 0};
+	s8 txpwr_level[3] = {0, 0, 0};
 	u8 ofdm_min_index = 6, rf;
 
 	rtlpriv->dm.txpower_trackinginit = true;
-- 
1.8.1.4

[PATCH 5/8 V4] rtlwifi: Fix smatch warning in pci.c

[Larry Finger]

Smatch reports the following:
  CHECK   drivers/net/wireless/rtlwifi/pci.c
drivers/net/wireless/rtlwifi/pci.c:739 _rtl_pci_rx_interrupt() warn: assigning (-98) to unsigned variable 'stats.noise'

The variable 'stats.noise' is not used. That initializer is removed.

Signed-off-by: Larry Finger <Larry.Finger-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
---
 drivers/net/wireless/rtlwifi/pci.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 703f839..6295ed2 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -736,7 +736,6 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
 
 	struct rtl_stats stats = {
 		.signal = 0,
-		.noise = -98,
 		.rate = 0,
 	};
 	int index = rtlpci->rx_ring[rx_queue_idx].idx;
-- 
1.8.1.4

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[PATCH 6/8 V4] rtlwifi: Fix smatch warnings in usb.c

[Larry Finger]

Smatch displays the following:
  CHECK   drivers/net/wireless/rtlwifi/usb.c
drivers/net/wireless/rtlwifi/usb.c:458 _rtl_usb_rx_process_agg() warn: assigning (-98) to unsigned variable 'stats.noise'
drivers/net/wireless/rtlwifi/usb.c:503 _rtl_usb_rx_process_noagg() warn: assigning (-98) to unsigned variable 'stats.noise'
drivers/net/wireless/rtlwifi/usb.c:596 _rtl_rx_get_padding() info: ignoring unreachable code.
drivers/net/wireless/rtlwifi/usb.c:596 _rtl_rx_get_padding() info: ignoring unreachable code.

The variable 'stats.noise' is not used, thus the initializers are removed.
The unreachable code info is fixed by including the appropriate section inside
#ifdef .. #endif constructions.

Signed-off-by: Larry Finger <Larry.Finger-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
---
 drivers/net/wireless/rtlwifi/usb.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index e56778c..6e2b5c5 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -455,7 +455,6 @@ static void _rtl_usb_rx_process_agg(struct ieee80211_hw *hw,
 	struct ieee80211_rx_status rx_status = {0};
 	struct rtl_stats stats = {
 		.signal = 0,
-		.noise = -98,
 		.rate = 0,
 	};
 
@@ -498,7 +497,6 @@ static void _rtl_usb_rx_process_noagg(struct ieee80211_hw *hw,
 	struct ieee80211_rx_status rx_status = {0};
 	struct rtl_stats stats = {
 		.signal = 0,
-		.noise = -98,
 		.rate = 0,
 	};
 
@@ -582,12 +580,15 @@ static void _rtl_rx_work(unsigned long param)
 static unsigned int _rtl_rx_get_padding(struct ieee80211_hdr *hdr,
 					unsigned int len)
 {
+#if NET_IP_ALIGN != 0
 	unsigned int padding = 0;
+#endif
 
 	/* make function no-op when possible */
 	if (NET_IP_ALIGN == 0 || len < sizeof(*hdr))
 		return 0;
 
+#if NET_IP_ALIGN != 0
 	/* alignment calculation as in lbtf_rx() / carl9170_rx_copy_data() */
 	/* TODO: deduplicate common code, define helper function instead? */
 
@@ -608,6 +609,7 @@ static unsigned int _rtl_rx_get_padding(struct ieee80211_hdr *hdr,
 		padding ^= NET_IP_ALIGN;
 
 	return padding;
+#endif
 }
 
 #define __RADIO_TAP_SIZE_RSV	32
-- 
1.8.1.4

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[PATCH 7/8 V4] rtlwifi: rtl8188ee: Fix smatch warning in rtl8188ee/hw.c

[Larry Finger]

Smatch lists the following:
  CHECK   drivers/net/wireless/rtlwifi/rtl8188ee/hw.c
drivers/net/wireless/rtlwifi/rtl8188ee/hw.c:149 _rtl88ee_set_fw_clock_on() info: ignoring unreachable code.
drivers/net/wireless/rtlwifi/rtl8188ee/hw.c:149 _rtl88ee_set_fw_clock_on() info: ignoring unreachable code.

This info message is the result of a real error due to a missing break statement
in a "while (1)" loop.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org> [3.10+]
---
 drivers/net/wireless/rtlwifi/rtl8188ee/hw.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/rtlwifi/rtl8188ee/hw.c b/drivers/net/wireless/rtlwifi/rtl8188ee/hw.c
index b68cae3..e06971b 100644
--- a/drivers/net/wireless/rtlwifi/rtl8188ee/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8188ee/hw.c
@@ -143,6 +143,7 @@ static void _rtl88ee_set_fw_clock_on(struct ieee80211_hw *hw,
 		} else {
 			rtlhal->fw_clk_change_in_progress = false;
 			spin_unlock_bh(&rtlpriv->locks.fw_ps_lock);
+			break;
 		}
 	}
 
-- 
1.8.1.4

[PATCH 8/8 V4] rtlwifi: Remove all remaining references to variable 'noise' in rtl_stats struct

[Larry Finger]

This completes removal of all places that reference variable 'noise'
in the rtl_stats struct. The definition of the struct is unchanged.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
---
 drivers/net/wireless/rtlwifi/rtl8188ee/trx.c | 1 -
 drivers/net/wireless/rtlwifi/rtl8192ce/trx.c | 1 -
 drivers/net/wireless/rtlwifi/rtl8192se/trx.c | 1 -
 drivers/net/wireless/rtlwifi/rtl8723ae/trx.c | 1 -
 4 files changed, 4 deletions(-)

diff --git a/drivers/net/wireless/rtlwifi/rtl8188ee/trx.c b/drivers/net/wireless/rtlwifi/rtl8188ee/trx.c
index a8871d6..5e628ab 100644
--- a/drivers/net/wireless/rtlwifi/rtl8188ee/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8188ee/trx.c
@@ -477,7 +477,6 @@ bool rtl88ee_rx_query_desc(struct ieee80211_hw *hw,
 
 	/*rx_status->qual = status->signal; */
 	rx_status->signal = status->recvsignalpower + 10;
-	/*rx_status->noise = -status->noise; */
 	if (status->packet_report_type == TX_REPORT2) {
 		status->macid_valid_entry[0] =
 			 GET_RX_RPT2_DESC_MACID_VALID_1(pdesc);
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c
index 6ad23b4..52abf0a 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c
@@ -420,7 +420,6 @@ bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw,
 
 	/*rx_status->qual = stats->signal; */
 	rx_status->signal = stats->recvsignalpower + 10;
-	/*rx_status->noise = -stats->noise; */
 
 	return true;
 }
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
index c709511..222d2e7 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
@@ -330,7 +330,6 @@ bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
 
 	/*rx_status->qual = stats->signal; */
 	rx_status->signal = stats->rssi + 10;
-	/*rx_status->noise = -stats->noise; */
 
 	return true;
 }
diff --git a/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c b/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c
index c72758d..e85ec21 100644
--- a/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c
@@ -359,7 +359,6 @@ bool rtl8723ae_rx_query_desc(struct ieee80211_hw *hw,
 
 	/*rx_status->qual = status->signal; */
 	rx_status->signal = status->recvsignalpower + 10;
-	/*rx_status->noise = -status->noise; */
 
 	return true;
 }
-- 
1.8.1.4