Return-path: Received: from mail-wi0-f180.google.com ([209.85.212.180]:54088 "EHLO mail-wi0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753845AbbAaPG2 (ORCPT ); Sat, 31 Jan 2015 10:06:28 -0500 Received: by mail-wi0-f180.google.com with SMTP id h11so7634086wiw.1 for ; Sat, 31 Jan 2015 07:06:27 -0800 (PST) From: Rickard Strandqvist To: Larry Finger , Jes Sorensen Cc: Rickard Strandqvist , Greg Kroah-Hartman , Roberta Dobrescu , linux-wireless@vger.kernel.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org Subject: [PATCH] staging: rtl8723au: hal: rtl8723a_bt-coexist: Removed variables that is never used Date: Sat, 31 Jan 2015 16:09:48 +0100 Message-Id: <1422716988-5387-1-git-send-email-rickard_strandqvist@spectrumdigital.se> (sfid-20150131_160643_900645_FDE4DAF3) Sender: linux-wireless-owner@vger.kernel.org List-ID: Variable was assigned a value that was never used. I have also removed all the code that thereby serves no purpose. This was found using a static code analysis program called cppcheck Signed-off-by: Rickard Strandqvist --- .../staging/rtl8723au/hal/rtl8723a_bt-coexist.c | 27 +++----------------- 1 file changed, 3 insertions(+), 24 deletions(-) diff --git a/drivers/staging/rtl8723au/hal/rtl8723a_bt-coexist.c b/drivers/staging/rtl8723au/hal/rtl8723a_bt-coexist.c index 86a8397..dae3a33 100644 --- a/drivers/staging/rtl8723au/hal/rtl8723a_bt-coexist.c +++ b/drivers/staging/rtl8723au/hal/rtl8723a_bt-coexist.c @@ -219,7 +219,6 @@ static void bthci_DecideBTChannel(struct rtw_adapter *padapter, u8 EntryNum) struct chnl_txpower_triple *pTriple_subband = NULL; struct common_triple *pTriple; u8 i, j, localchnl, firstRemoteLegalChnlInTriplet = 0; - u8 regulatory_skipLen = 0; u8 subbandTripletCnt = 0; pmlmepriv = &padapter->mlmepriv; @@ -243,7 +242,6 @@ static void bthci_DecideBTChannel(struct rtw_adapter *padapter, u8 EntryNum) /* Regulatory Extension Identifier, skip it */ RTPRINT(FIOCTL, (IOCTL_BT_HCICMD|IOCTL_BT_LOGO), ("Find Regulatory ID, regulatory class = %d\n", pTriple->byte_2nd)); - regulatory_skipLen += 3; pTriple_subband = NULL; continue; } else { /* Sub-band triplet */ @@ -5203,12 +5201,8 @@ static void btdm_NotifyFwScan(struct rtw_adapter *padapter, u8 scanType) static void btdm_1AntSetPSMode(struct rtw_adapter *padapter, u8 enable, u8 smartps, u8 mode) { - struct pwrctrl_priv *pwrctrl; - RTPRINT(FBT, BT_TRACE, ("[BTCoex], Current LPS(%s, %d), smartps =%d\n", enable == true?"ON":"OFF", mode, smartps)); - pwrctrl = &padapter->pwrctrlpriv; - if (enable == true) { rtw_set_ps_mode23a(padapter, PS_MODE_MIN, smartps, mode); } else { @@ -5549,7 +5543,7 @@ static s8 btdm_1AntTdmaJudgement(struct rtw_adapter *padapter, u8 retry) { struct hal_data_8723a *pHalData; struct btdm_8723a_1ant *pBtdm8723; - static s8 up, dn, m = 1, n = 3, WaitCount; + static s8 up, dn, m = 1, WaitCount; s8 ret; pHalData = GET_HAL_DATA(padapter); @@ -5560,7 +5554,6 @@ static s8 btdm_1AntTdmaJudgement(struct rtw_adapter *padapter, u8 retry) up = 0; dn = 0; m = 1; - n = 3; WaitCount = 0; } else { WaitCount++; @@ -5576,7 +5569,6 @@ static s8 btdm_1AntTdmaJudgement(struct rtw_adapter *padapter, u8 retry) /* retry = 0 in consecutive 3m*(2s), add WiFi duration */ ret = 1; - n = 3; up = 0; dn = 0; WaitCount = 0; @@ -5693,13 +5685,11 @@ static void btdm_1AntTdmaDurationAdjustForACL(struct rtw_adapter *padapter) static void btdm_1AntCoexProcessForWifiConnect(struct rtw_adapter *padapter) { - struct mlme_priv *pmlmepriv; struct hal_data_8723a *pHalData; struct bt_coexist_8723a *pBtCoex; struct btdm_8723a_1ant *pBtdm8723; u8 BtState; - pmlmepriv = &padapter->mlmepriv; pHalData = GET_HAL_DATA(padapter); pBtCoex = &pHalData->bt_coexist.halCoex8723; pBtdm8723 = &pBtCoex->btdm1Ant; @@ -6272,12 +6262,10 @@ void BTDM_1AntForDhcp(struct rtw_adapter *padapter) struct hal_data_8723a *pHalData; u8 BtState; struct bt_coexist_8723a *pBtCoex; - struct btdm_8723a_1ant *pBtdm8723; pHalData = GET_HAL_DATA(padapter); pBtCoex = &pHalData->bt_coexist.halCoex8723; BtState = pBtCoex->c2hBtInfo; - pBtdm8723 = &pBtCoex->btdm1Ant; RTPRINT(FBT, BT_TRACE, ("\n[BTCoex], 1Ant for DHCP\n")); RTPRINT(FBT, BT_TRACE, ("[BTCoex], 1Ant for DHCP, WiFi is %s\n", @@ -6421,11 +6409,9 @@ static void BTDM_1AntFwC2hBtInfo8723A(struct rtw_adapter *padapter) void BTDM_1AntBtCoexist8723A(struct rtw_adapter *padapter) { struct mlme_priv *pmlmepriv; - struct hal_data_8723a *pHalData; unsigned long delta_time; pmlmepriv = &padapter->mlmepriv; - pHalData = GET_HAL_DATA(padapter); if (check_fwstate(pmlmepriv, WIFI_SITE_MONITOR)) { /* already done in BTDM_1AntForScan() */ @@ -8463,10 +8449,7 @@ static void btdm_2Ant8723AHIDA2DPAction(struct rtw_adapter *padapter) static void btdm_2Ant8723AA2dp(struct rtw_adapter *padapter) { - struct hal_data_8723a *pHalData = GET_HAL_DATA(padapter); - u8 btRssiState, btRssiState1, btInfoExt; - - btInfoExt = pHalData->bt_coexist.halCoex8723.btInfoExt; + u8 btRssiState, btRssiState1; if (btdm_NeedToDecBtPwr(padapter)) btdm_2AntDecBtPwr(padapter, true); @@ -8602,7 +8585,7 @@ static void BTDM_2AntFwC2hBtInfo8723A(struct rtw_adapter *padapter) struct btdm_8723a_2ant *pBtdm8723 = &pHalData->bt_coexist.halCoex8723.btdm2Ant; u8 btInfo = 0; u8 algorithm = BT_2ANT_COEX_ALGO_UNDEFINED; - u8 bBtLinkExist = false, bBtHsModeExist = false; + u8 bBtHsModeExist = false; btInfo = pHalData->bt_coexist.halCoex8723.c2hBtInfoOriginal; pBtdm8723->btStatus = BT_2ANT_BT_STATUS_IDLE; @@ -8636,7 +8619,6 @@ static void BTDM_2AntFwC2hBtInfo8723A(struct rtw_adapter *padapter) btInfo, pHalData->bt_coexist.halCoex8723.c2hBtInfoOriginal)); if (btInfo&BT_INFO_ACL) { RTPRINT(FBT, BT_TRACE, ("[BTC2H], BTInfo: bConnect = true btInfo =%x\n", btInfo)); - bBtLinkExist = true; if (((btInfo&(BT_INFO_FTP|BT_INFO_A2DP|BT_INFO_HID|BT_INFO_SCO_BUSY)) != 0) || pHalData->bt_coexist.halCoex8723.btRetryCnt > 0) { pBtdm8723->btStatus = BT_2ANT_BT_STATUS_NON_IDLE; @@ -8769,7 +8751,6 @@ void BTDM_2AntBtCoexist8723A(struct rtw_adapter *padapter) struct bt_30info *pBTInfo = GET_BT_INFO(padapter); struct bt_mgnt *pBtMgnt = &pBTInfo->BtMgnt; struct bt_dgb *pBtDbg = &pBTInfo->BtDbg; - u8 btInfoOriginal = 0; struct hal_data_8723a *pHalData = GET_HAL_DATA(padapter); struct btdm_8723a_2ant *pBtdm8723 = &pHalData->bt_coexist.halCoex8723.btdm2Ant; @@ -8855,8 +8836,6 @@ void BTDM_2AntBtCoexist8723A(struct rtw_adapter *padapter) if (pHalData->bt_coexist.halCoex8723.bC2hBtInfoReqSent) RTPRINT(FBT, BT_TRACE, ("[BTCoex] c2h for btInfo not rcvd yet!!\n")); - btInfoOriginal = pHalData->bt_coexist.halCoex8723.c2hBtInfoOriginal; - if (pBtMgnt->ExtConfig.bHoldForBtOperation) { RTPRINT(FBT, BT_TRACE, ("Action for BT Operation adjust!!\n")); return; -- 1.7.10.4