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Subject[PATCH v2] staging: rtl8712: remove unused variables
Date
unused variables are removed. These variables were only assigned some
values and after that they were never being used. So they are safe to
be removed , and it has been build tested.

I left a call to r8712_read32(padapter, TCR) and
r8712_read8(padapter, SDIO_HCPWM) .

r8712_read32() and r8712_read8() is ultimately calling usb_read32()
and usb_read8() respectively. and they are again calling
r8712_usbctrl_vendorreq().
this r8712_usbctrl_vendorreq() is communicating through the usb bus
and is sending and receiving the control msg.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
---
drivers/staging/rtl8712/hal_init.c | 9 ++-------
drivers/staging/rtl8712/ieee80211.c | 3 +--
drivers/staging/rtl8712/rtl8712_cmd.c | 13 +------------
drivers/staging/rtl8712/rtl8712_efuse.c | 3 +--
drivers/staging/rtl8712/rtl8712_recv.c | 15 ++-------------
drivers/staging/rtl8712/rtl871x_cmd.c | 2 --
drivers/staging/rtl8712/rtl871x_ioctl_linux.c | 19 +++++--------------
drivers/staging/rtl8712/rtl871x_ioctl_set.c | 4 ----
drivers/staging/rtl8712/rtl871x_mlme.c | 23 +++++++----------------
drivers/staging/rtl8712/rtl871x_mp_ioctl.c | 3 ---
drivers/staging/rtl8712/rtl871x_pwrctrl.c | 4 +---
drivers/staging/rtl8712/rtl871x_recv.c | 19 +------------------
drivers/staging/rtl8712/rtl871x_recv.h | 3 ---
drivers/staging/rtl8712/rtl871x_security.c | 10 ++--------
drivers/staging/rtl8712/rtl871x_sta_mgt.c | 11 +----------
drivers/staging/rtl8712/rtl871x_xmit.c | 13 ++++---------
drivers/staging/rtl8712/usb_intf.c | 6 ------
drivers/staging/rtl8712/usb_ops_linux.c | 3 +--
drivers/staging/rtl8712/xmit_linux.c | 4 +---
19 files changed, 30 insertions(+), 137 deletions(-)

diff --git a/drivers/staging/rtl8712/hal_init.c b/drivers/staging/rtl8712/hal_init.c
index 1d6ade0..fe28d35 100644
--- a/drivers/staging/rtl8712/hal_init.c
+++ b/drivers/staging/rtl8712/hal_init.c
@@ -136,15 +136,10 @@ static void update_fwhdr(struct fw_hdr *pfwhdr, const u8 *pmappedfw)
static u8 chk_fwhdr(struct fw_hdr *pfwhdr, u32 ulfilelength)
{
u32 fwhdrsz, fw_sz;
- u8 intf, rfconf;

/* check signature */
if ((pfwhdr->signature != 0x8712) && (pfwhdr->signature != 0x8192))
return _FAIL;
- /* check interface */
- intf = (u8)((pfwhdr->version&0x3000) >> 12);
- /* check rf_conf */
- rfconf = (u8)((pfwhdr->version&0xC000) >> 14);
/* check fw_priv_sze & sizeof(struct fw_priv) */
if (pfwhdr->fw_priv_sz != sizeof(struct fw_priv))
return _FAIL;
@@ -162,7 +157,7 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter)
sint i;
u8 tmp8, tmp8_a;
u16 tmp16;
- u32 maxlen = 0, tmp32; /* for compare usage */
+ u32 maxlen = 0; /* for compare usage */
uint dump_imem_sz, imem_sz, dump_emem_sz, emem_sz; /* max = 49152; */
struct fw_hdr fwhdr;
u32 ulfilelength; /* FW file size */
@@ -262,7 +257,7 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter)
if (tmp8_a != (tmp8|BIT(2)))
goto exit_fail;

- tmp32 = r8712_read32(padapter, TCR);
+ r8712_read32(padapter, TCR);

/* 4.polling IMEM Ready */
i = 100;
diff --git a/drivers/staging/rtl8712/ieee80211.c b/drivers/staging/rtl8712/ieee80211.c
index eb23b08..5786808 100644
--- a/drivers/staging/rtl8712/ieee80211.c
+++ b/drivers/staging/rtl8712/ieee80211.c
@@ -368,13 +368,12 @@ int r8712_parse_wpa2_ie(u8 *rsn_ie, int rsn_ie_len, int *group_cipher,
int r8712_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len,
u8 *wpa_ie, u16 *wpa_len)
{
- u8 authmode, sec_idx;
+ u8 authmode;
u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
uint cnt;

/*Search required WPA or WPA2 IE and copy to sec_ie[ ]*/
cnt = (_TIMESTAMP_ + _BEACON_ITERVAL_ + _CAPABILITY_);
- sec_idx = 0;
while (cnt < in_len) {
authmode = in_ie[cnt];
if ((authmode == _WPA_IE_ID_) &&
diff --git a/drivers/staging/rtl8712/rtl8712_cmd.c b/drivers/staging/rtl8712/rtl8712_cmd.c
index 720e8a1..62e53cc 100644
--- a/drivers/staging/rtl8712/rtl8712_cmd.c
+++ b/drivers/staging/rtl8712/rtl8712_cmd.c
@@ -157,10 +157,8 @@ static u8 read_bbreg_hdl(struct _adapter *padapter, u8 *pbuf)
{
u32 val;
void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd);
- struct readBB_parm *prdbbparm;
struct cmd_obj *pcmd = (struct cmd_obj *)pbuf;

- prdbbparm = (struct readBB_parm *)pcmd->parmbuf;
if (pcmd->rsp && pcmd->rspsz > 0)
memcpy(pcmd->rsp, (u8 *)&val, pcmd->rspsz);
pcmd_callback = cmd_callback[pcmd->cmdcode].callback;
@@ -174,10 +172,8 @@ static u8 read_bbreg_hdl(struct _adapter *padapter, u8 *pbuf)
static u8 write_bbreg_hdl(struct _adapter *padapter, u8 *pbuf)
{
void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd);
- struct writeBB_parm *pwritebbparm;
struct cmd_obj *pcmd = (struct cmd_obj *)pbuf;

- pwritebbparm = (struct writeBB_parm *)pcmd->parmbuf;
pcmd_callback = cmd_callback[pcmd->cmdcode].callback;
if (pcmd_callback == NULL)
r8712_free_cmd_obj(pcmd);
@@ -190,10 +186,8 @@ static u8 read_rfreg_hdl(struct _adapter *padapter, u8 *pbuf)
{
u32 val;
void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd);
- struct readRF_parm *prdrfparm;
struct cmd_obj *pcmd = (struct cmd_obj *)pbuf;

- prdrfparm = (struct readRF_parm *)pcmd->parmbuf;
if (pcmd->rsp && pcmd->rspsz > 0)
memcpy(pcmd->rsp, (u8 *)&val, pcmd->rspsz);
pcmd_callback = cmd_callback[pcmd->cmdcode].callback;
@@ -207,10 +201,8 @@ static u8 read_rfreg_hdl(struct _adapter *padapter, u8 *pbuf)
static u8 write_rfreg_hdl(struct _adapter *padapter, u8 *pbuf)
{
void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd);
- struct writeRF_parm *pwriterfparm;
struct cmd_obj *pcmd = (struct cmd_obj *)pbuf;

- pwriterfparm = (struct writeRF_parm *)pcmd->parmbuf;
pcmd_callback = cmd_callback[pcmd->cmdcode].callback;
if (pcmd_callback == NULL)
r8712_free_cmd_obj(pcmd);
@@ -222,9 +214,7 @@ static u8 write_rfreg_hdl(struct _adapter *padapter, u8 *pbuf)
static u8 sys_suspend_hdl(struct _adapter *padapter, u8 *pbuf)
{
struct cmd_obj *pcmd = (struct cmd_obj *)pbuf;
- struct usb_suspend_parm *psetusbsuspend;

- psetusbsuspend = (struct usb_suspend_parm *)pcmd->parmbuf;
r8712_free_cmd_obj(pcmd);
return H2C_SUCCESS;
}
@@ -320,7 +310,7 @@ void r8712_fw_cmd_data(struct _adapter *pAdapter, u32 *value, u8 flag)
int r8712_cmd_thread(void *context)
{
struct cmd_obj *pcmd;
- unsigned int cmdsz, wr_sz, *pcmdbuf, *prspbuf;
+ unsigned int cmdsz, wr_sz, *pcmdbuf;
struct tx_desc *pdesc;
void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd);
struct _adapter *padapter = (struct _adapter *)context;
@@ -342,7 +332,6 @@ _next:
continue;
}
pcmdbuf = (unsigned int *)pcmdpriv->cmd_buf;
- prspbuf = (unsigned int *)pcmdpriv->rsp_buf;
pdesc = (struct tx_desc *)pcmdbuf;
memset(pdesc, 0, TXDESC_SIZE);
pcmd = cmd_hdl_filter(padapter, pcmd);
diff --git a/drivers/staging/rtl8712/rtl8712_efuse.c b/drivers/staging/rtl8712/rtl8712_efuse.c
index 97b7839..d957169 100644
--- a/drivers/staging/rtl8712/rtl8712_efuse.c
+++ b/drivers/staging/rtl8712/rtl8712_efuse.c
@@ -219,13 +219,12 @@ u16 r8712_efuse_get_current_size(struct _adapter *padapter)
{
int bContinual = true;
u16 efuse_addr = 0;
- u8 hoffset = 0, hworden = 0;
+ u8 hworden = 0;
u8 efuse_data, word_cnts = 0;

while (bContinual && efuse_one_byte_read(padapter, efuse_addr,
&efuse_data) && (efuse_addr < efuse_available_max_size)) {
if (efuse_data != 0xFF) {
- hoffset = (efuse_data >> 4) & 0x0F;
hworden = efuse_data & 0x0F;
word_cnts = calculate_word_cnts(hworden);
/* read next header */
diff --git a/drivers/staging/rtl8712/rtl8712_recv.c b/drivers/staging/rtl8712/rtl8712_recv.c
index b278062..27f38ac 100644
--- a/drivers/staging/rtl8712/rtl8712_recv.c
+++ b/drivers/staging/rtl8712/rtl8712_recv.c
@@ -158,8 +158,6 @@ int r8712_free_recvframe(union recv_frame *precvframe,
static void update_recvframe_attrib_from_recvstat(struct rx_pkt_attrib *pattrib,
struct recv_stat *prxstat)
{
- u32 *pphy_info;
- struct phy_stat *pphy_stat;
u16 drvinfo_sz = 0;

drvinfo_sz = (le32_to_cpu(prxstat->rxdw0)&0x000f0000)>>16;
@@ -189,10 +187,6 @@ static void update_recvframe_attrib_from_recvstat(struct rx_pkt_attrib *pattrib,
/*Offset 16*/
/*Offset 20*/
/*phy_info*/
- if (drvinfo_sz) {
- pphy_stat = (struct phy_stat *)(prxstat+1);
- pphy_info = (u32 *)prxstat+1;
- }
}

/*perform defrag*/
@@ -200,7 +194,7 @@ static union recv_frame *recvframe_defrag(struct _adapter *adapter,
struct __queue *defrag_q)
{
struct list_head *plist, *phead;
- u8 *data, wlanhdr_offset;
+ u8 wlanhdr_offset;
u8 curfragnum;
struct recv_frame_hdr *pfhdr, *pnfhdr;
union recv_frame *prframe, *pnextrframe;
@@ -223,7 +217,6 @@ static union recv_frame *recvframe_defrag(struct _adapter *adapter,
curfragnum++;
plist = &defrag_q->queue;
plist = plist->next;
- data = get_recvframe_data(prframe);
while (end_of_queue_search(phead, plist) == false) {
pnextrframe = LIST_CONTAINOR(plist, union recv_frame, u);
pnfhdr = &pnextrframe->u.hdr;
@@ -436,13 +429,11 @@ void r8712_rxcmd_event_hdl(struct _adapter *padapter, void *prxcmdbuf)
{
uint voffset;
u8 *poffset;
- u16 pkt_len, cmd_len, drvinfo_sz;
- u8 eid, cmd_seq;
+ u16 cmd_len, drvinfo_sz;
struct recv_stat *prxstat;

poffset = (u8 *)prxcmdbuf;
voffset = *(uint *)poffset;
- pkt_len = le32_to_cpu(voffset) & 0x00003fff;
prxstat = (struct recv_stat *)prxcmdbuf;
drvinfo_sz = ((le32_to_cpu(prxstat->rxdw0) & 0x000f0000) >> 16);
drvinfo_sz = drvinfo_sz << 3;
@@ -450,8 +441,6 @@ void r8712_rxcmd_event_hdl(struct _adapter *padapter, void *prxcmdbuf)
do {
voffset = *(uint *)poffset;
cmd_len = (u16)(le32_to_cpu(voffset) & 0xffff);
- cmd_seq = (u8)((le32_to_cpu(voffset) >> 24) & 0x7f);
- eid = (u8)((le32_to_cpu(voffset) >> 16) & 0xff);
r8712_event_handle(padapter, (uint *)poffset);
poffset += (cmd_len + 8);/*8 bytes alignment*/
} while (le32_to_cpu(voffset) & BIT(31));
diff --git a/drivers/staging/rtl8712/rtl871x_cmd.c b/drivers/staging/rtl8712/rtl871x_cmd.c
index 92101b9..fe5e315 100644
--- a/drivers/staging/rtl8712/rtl871x_cmd.c
+++ b/drivers/staging/rtl8712/rtl871x_cmd.c
@@ -470,7 +470,6 @@ u8 r8712_createbss_cmd(struct _adapter *padapter)

u8 r8712_joinbss_cmd(struct _adapter *padapter, struct wlan_network *pnetwork)
{
- u8 *auth;
uint t_len = 0;
struct ndis_wlan_bssid_ex *psecnetwork;
struct cmd_obj *pcmd;
@@ -517,7 +516,6 @@ u8 r8712_joinbss_cmd(struct _adapter *padapter, struct wlan_network *pnetwork)
return _FAIL;
}
memcpy(psecnetwork, &pnetwork->network, t_len);
- auth = &psecuritypriv->authenticator_ie[0];
psecuritypriv->authenticator_ie[0] = (unsigned char)
psecnetwork->IELength;
if ((psecnetwork->IELength-12) < (256 - 1))
diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
index b4ffc0e..73b7d86 100644
--- a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
+++ b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
@@ -170,7 +170,7 @@ static inline char *translate_scan(struct _adapter *padapter,
s8 *p;
u32 i = 0, ht_ielen = 0;
u16 cap, ht_cap = false, mcs_rate;
- u8 rssi, bw_40MHz = 0, short_GI = 0;
+ u8 rssi;

if ((pnetwork->network.Configuration.DSConfig < 1) ||
(pnetwork->network.Configuration.DSConfig > 14)) {
@@ -197,10 +197,6 @@ static inline char *translate_scan(struct _adapter *padapter,
ht_cap = true;
pht_capie = (struct ieee80211_ht_cap *)(p + 2);
memcpy(&mcs_rate , pht_capie->supp_mcs_set, 2);
- bw_40MHz = (pht_capie->cap_info&IEEE80211_HT_CAP_SUP_WIDTH)
- ? 1 : 0;
- short_GI = (pht_capie->cap_info&(IEEE80211_HT_CAP_SGI_20 |
- IEEE80211_HT_CAP_SGI_40)) ? 1 : 0;
}
/* Add the protocol name */
iwe.cmd = SIOCGIWNAME;
@@ -287,12 +283,10 @@ static inline char *translate_scan(struct _adapter *padapter,
u8 wpa_ie[255], rsn_ie[255];
u16 wpa_len = 0, rsn_len = 0;
int n;
- sint out_len = 0;

- out_len = r8712_get_sec_ie(pnetwork->network.IEs,
- pnetwork->network.
- IELength, rsn_ie, &rsn_len,
- wpa_ie, &wpa_len);
+ r8712_get_sec_ie(pnetwork->network.IEs,
+ pnetwork->network.IELength, rsn_ie, &rsn_len,
+ wpa_ie, &wpa_len);
if (wpa_len > 0) {
memset(buf, 0, MAX_WPA_IE_LEN);
n = sprintf(buf, "wpa_ie=");
@@ -512,7 +506,7 @@ exit:
static int r871x_set_wpa_ie(struct _adapter *padapter, char *pie,
unsigned short ielen)
{
- u8 *buf = NULL, *pos = NULL;
+ u8 *buf = NULL;
int group_cipher = 0, pairwise_cipher = 0;
int ret = 0;

@@ -522,7 +516,6 @@ static int r871x_set_wpa_ie(struct _adapter *padapter, char *pie,
buf = kmemdup(pie, ielen, GFP_ATOMIC);
if (buf == NULL)
return -ENOMEM;
- pos = buf;
if (ielen < RSN_HEADER_LEN) {
ret = -EINVAL;
goto exit;
@@ -1133,13 +1126,11 @@ static int r871x_wx_set_mlme(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
int ret = 0;
- u16 reason;
struct _adapter *padapter = (struct _adapter *)netdev_priv(dev);
struct iw_mlme *mlme = (struct iw_mlme *) extra;

if (mlme == NULL)
return -1;
- reason = cpu_to_le16(mlme->reason_code);
switch (mlme->cmd) {
case IW_MLME_DEAUTH:
if (!r8712_set_802_11_disassociate(padapter))
diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_set.c b/drivers/staging/rtl8712/rtl871x_ioctl_set.c
index a240b63..6318a0e 100644
--- a/drivers/staging/rtl8712/rtl871x_ioctl_set.c
+++ b/drivers/staging/rtl8712/rtl871x_ioctl_set.c
@@ -343,13 +343,9 @@ u8 r8712_set_802_11_authentication_mode(struct _adapter *padapter,
u8 r8712_set_802_11_add_wep(struct _adapter *padapter,
struct NDIS_802_11_WEP *wep)
{
- u8 bdefaultkey;
- u8 btransmitkey;
sint keyid;
struct security_priv *psecuritypriv = &padapter->securitypriv;

- bdefaultkey = (wep->KeyIndex & 0x40000000) > 0 ? false : true;
- btransmitkey = (wep->KeyIndex & 0x80000000) > 0 ? true : false;
keyid = wep->KeyIndex & 0x3fffffff;
if (keyid >= WEP_KEYS)
return false;
diff --git a/drivers/staging/rtl8712/rtl871x_mlme.c b/drivers/staging/rtl8712/rtl871x_mlme.c
index 4b602fe..b7462e8 100644
--- a/drivers/staging/rtl8712/rtl871x_mlme.c
+++ b/drivers/staging/rtl8712/rtl871x_mlme.c
@@ -1372,7 +1372,7 @@ static int SecIsInPMKIDList(struct _adapter *Adapter, u8 *bssid)
sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
u8 *out_ie, uint in_len)
{
- u8 authmode = 0, securitytype, match;
+ u8 authmode = 0, match;
u8 sec_ie[255], uncst_oui[4], bkup_ie[255];
u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
uint ielength, cnt, remove_cnt;
@@ -1399,21 +1399,17 @@ sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
switch (ndissecuritytype) {
case Ndis802_11Encryption1Enabled:
case Ndis802_11Encryption1KeyAbsent:
- securitytype = _WEP40_;
uncst_oui[3] = 0x1;
break;
case Ndis802_11Encryption2Enabled:
case Ndis802_11Encryption2KeyAbsent:
- securitytype = _TKIP_;
uncst_oui[3] = 0x2;
break;
case Ndis802_11Encryption3Enabled:
case Ndis802_11Encryption3KeyAbsent:
- securitytype = _AES_;
uncst_oui[3] = 0x4;
break;
default:
- securitytype = _NO_PRIVACY_;
break;
}
/*Search required WPA or WPA2 IE and copy to sec_ie[] */
@@ -1705,7 +1701,7 @@ unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
u8 *out_ie, uint in_len, uint *pout_len)
{
u32 ielen, out_len;
- unsigned char *p, *pframe;
+ unsigned char *p;
struct ieee80211_ht_cap ht_capie;
unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
@@ -1717,10 +1713,8 @@ unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
if (p && (ielen > 0)) {
if (pqospriv->qos_option == 0) {
out_len = *pout_len;
- pframe = r8712_set_ie(out_ie+out_len,
- _VENDOR_SPECIFIC_IE_,
- _WMM_IE_Length_,
- WMM_IE, pout_len);
+ r8712_set_ie(out_ie+out_len, _VENDOR_SPECIFIC_IE_,
+ _WMM_IE_Length_, WMM_IE, pout_len);
pqospriv->qos_option = 1;
}
out_len = *pout_len;
@@ -1733,9 +1727,9 @@ unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
IEEE80211_HT_CAP_DSSSCCK40;
ht_capie.ampdu_params_info = (IEEE80211_HT_CAP_AMPDU_FACTOR &
0x03) | (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00);
- pframe = r8712_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
- sizeof(struct ieee80211_ht_cap),
- (unsigned char *)&ht_capie, pout_len);
+ r8712_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
+ sizeof(struct ieee80211_ht_cap),
+ (unsigned char *)&ht_capie, pout_len);
phtpriv->ht_option = 1;
}
return phtpriv->ht_option;
@@ -1748,7 +1742,6 @@ static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len)
int i, len;
struct sta_info *bmc_sta, *psta;
struct ieee80211_ht_cap *pht_capie;
- struct ieee80211_ht_addt_info *pht_addtinfo;
struct recv_reorder_ctrl *preorder_ctrl;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
@@ -1801,8 +1794,6 @@ static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len)
p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
_HT_ADD_INFO_IE_, &len,
ie_len-sizeof(struct NDIS_802_11_FIXED_IEs));
- if (p && len > 0)
- pht_addtinfo = (struct ieee80211_ht_addt_info *)(p + 2);
}

void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority)
diff --git a/drivers/staging/rtl8712/rtl871x_mp_ioctl.c b/drivers/staging/rtl8712/rtl871x_mp_ioctl.c
index 9827ff8..a16f15e 100644
--- a/drivers/staging/rtl8712/rtl871x_mp_ioctl.c
+++ b/drivers/staging/rtl8712/rtl871x_mp_ioctl.c
@@ -1431,11 +1431,8 @@ unsigned int mp_ioctl_xmit_packet_hdl(struct oid_par_priv *poid_par_priv)
/*-------------------------------------------------------------------------*/
uint oid_rt_set_power_down_hdl(struct oid_par_priv *poid_par_priv)
{
- u8 bpwrup;
-
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
- bpwrup = *(u8 *)poid_par_priv->information_buf;
/*CALL the power_down function*/
return RNDIS_STATUS_SUCCESS;
}
diff --git a/drivers/staging/rtl8712/rtl871x_pwrctrl.c b/drivers/staging/rtl8712/rtl871x_pwrctrl.c
index 51dcf55..ed2844d 100644
--- a/drivers/staging/rtl8712/rtl871x_pwrctrl.c
+++ b/drivers/staging/rtl8712/rtl871x_pwrctrl.c
@@ -156,11 +156,9 @@ static void rpwm_workitem_callback(struct work_struct *work)
struct pwrctrl_priv, rpwm_workitem);
struct _adapter *padapter = container_of(pwrpriv,
struct _adapter, pwrctrlpriv);
- u8 cpwm = pwrpriv->cpwm;
-
if (pwrpriv->cpwm != pwrpriv->rpwm) {
_enter_pwrlock(&pwrpriv->lock);
- cpwm = r8712_read8(padapter, SDIO_HCPWM);
+ r8712_read8(padapter, SDIO_HCPWM);
pwrpriv->rpwm_retry = 1;
r8712_set_rpwm(padapter, pwrpriv->rpwm);
up(&pwrpriv->lock);
diff --git a/drivers/staging/rtl8712/rtl871x_recv.c b/drivers/staging/rtl8712/rtl871x_recv.c
index 9b99a71..06f15f8 100644
--- a/drivers/staging/rtl8712/rtl871x_recv.c
+++ b/drivers/staging/rtl8712/rtl871x_recv.c
@@ -601,7 +601,7 @@ sint r8712_wlanhdr_to_ethhdr(union recv_frame *precvframe)
{
/*remove the wlanhdr and add the eth_hdr*/
sint rmv_len;
- u16 eth_type, len;
+ u16 len;
u8 bsnaphdr;
u8 *psnap_type;
struct ieee80211_snap_hdr *psnap;
@@ -635,7 +635,6 @@ sint r8712_wlanhdr_to_ethhdr(union recv_frame *precvframe)
ptr += rmv_len;
*ptr = 0x87;
*(ptr+1) = 0x12;
- eth_type = 0x8712;
/* append rx status for mp test packets */
ptr = recvframe_pull(precvframe, (rmv_len -
sizeof(struct ethhdr) + 2) - 24);
@@ -658,27 +657,11 @@ s32 r8712_recv_entry(union recv_frame *precvframe)
{
struct _adapter *padapter;
struct recv_priv *precvpriv;
- struct mlme_priv *pmlmepriv;
- struct recv_stat *prxstat;
- struct dvobj_priv *pdev;
- u8 *phead, *pdata, *ptail, *pend;

- struct __queue *pfree_recv_queue, *ppending_recv_queue;
s32 ret = _SUCCESS;
- struct intf_hdl *pintfhdl;

padapter = precvframe->u.hdr.adapter;
- pintfhdl = &padapter->pio_queue->intf;
- pmlmepriv = &padapter->mlmepriv;
precvpriv = &(padapter->recvpriv);
- pdev = &padapter->dvobjpriv;
- pfree_recv_queue = &(precvpriv->free_recv_queue);
- ppending_recv_queue = &(precvpriv->recv_pending_queue);
- phead = precvframe->u.hdr.rx_head;
- pdata = precvframe->u.hdr.rx_data;
- ptail = precvframe->u.hdr.rx_tail;
- pend = precvframe->u.hdr.rx_end;
- prxstat = (struct recv_stat *)phead;

padapter->ledpriv.LedControlHandler(padapter, LED_CTL_RX);

diff --git a/drivers/staging/rtl8712/rtl871x_recv.h b/drivers/staging/rtl8712/rtl871x_recv.h
index 92ca899..77487bb 100644
--- a/drivers/staging/rtl8712/rtl871x_recv.h
+++ b/drivers/staging/rtl8712/rtl871x_recv.h
@@ -170,11 +170,8 @@ static inline u8 *recvframe_put(union recv_frame *precvframe, sint sz)
/* used for append sz bytes from ptr to rx_tail, update rx_tail and
* return the updated rx_tail to the caller
* after putting, rx_tail must be still larger than rx_end. */
- unsigned char *prev_rx_tail;
-
if (precvframe == NULL)
return NULL;
- prev_rx_tail = precvframe->u.hdr.rx_tail;
precvframe->u.hdr.rx_tail += sz;
if (precvframe->u.hdr.rx_tail > precvframe->u.hdr.rx_end) {
precvframe->u.hdr.rx_tail -= sz;
diff --git a/drivers/staging/rtl8712/rtl871x_security.c b/drivers/staging/rtl8712/rtl871x_security.c
index 8faf22b..c653ad6 100644
--- a/drivers/staging/rtl8712/rtl871x_security.c
+++ b/drivers/staging/rtl8712/rtl871x_security.c
@@ -578,7 +578,7 @@ u32 r8712_tkip_encrypt(struct _adapter *padapter, u8 *pxmitframe)
u8 ttkey[16];
u8 crc[4];
struct arc4context mycontext;
- u32 curfragnum, length, prwskeylen;
+ u32 curfragnum, length;

u8 *pframe, *payload, *iv, *prwskey;
union pn48 txpn;
@@ -600,7 +600,6 @@ u32 r8712_tkip_encrypt(struct _adapter *padapter, u8 *pxmitframe)
&pattrib->ra[0]);
if (stainfo != NULL) {
prwskey = &stainfo->x_UncstKey.skey[0];
- prwskeylen = 16;
for (curfragnum = 0; curfragnum < pattrib->nr_frags;
curfragnum++) {
iv = pframe + pattrib->hdrlen;
@@ -655,7 +654,7 @@ u32 r8712_tkip_decrypt(struct _adapter *padapter, u8 *precvframe)
u8 ttkey[16];
u8 crc[4];
struct arc4context mycontext;
- u32 length, prwskeylen;
+ u32 length;
u8 *pframe, *payload, *iv, *prwskey, idx = 0;
union pn48 txpn;
struct sta_info *stainfo;
@@ -683,7 +682,6 @@ u32 r8712_tkip_decrypt(struct _adapter *padapter, u8 *precvframe)
return _FAIL;
} else
prwskey = &stainfo->x_UncstKey.skey[0];
- prwskeylen = 16;
GET_TKIP_PN(iv, txpn);
pnl = (u16)(txpn.val);
pnh = (u32)(txpn.val >> 16);
@@ -1154,7 +1152,6 @@ u32 r8712_aes_encrypt(struct _adapter *padapter, u8 *pxmitframe)
{ /* exclude ICV */
/* Intermediate Buffers */
sint curfragnum, length;
- u32 prwskeylen;
u8 *pframe, *prwskey;
struct sta_info *stainfo;
struct pkt_attrib *pattrib = &((struct xmit_frame *)
@@ -1174,7 +1171,6 @@ u32 r8712_aes_encrypt(struct _adapter *padapter, u8 *pxmitframe)
&pattrib->ra[0]);
if (stainfo != NULL) {
prwskey = &stainfo->x_UncstKey.skey[0];
- prwskeylen = 16;
for (curfragnum = 0; curfragnum < pattrib->nr_frags;
curfragnum++) {
if ((curfragnum + 1) == pattrib->nr_frags) {
@@ -1363,7 +1359,6 @@ u32 r8712_aes_decrypt(struct _adapter *padapter, u8 *precvframe)
{ /* exclude ICV */
/* Intermediate Buffers */
sint length;
- u32 prwskeylen;
u8 *pframe, *prwskey, *iv, idx;
struct sta_info *stainfo;
struct rx_pkt_attrib *prxattrib = &((union recv_frame *)
@@ -1387,7 +1382,6 @@ u32 r8712_aes_decrypt(struct _adapter *padapter, u8 *precvframe)

} else
prwskey = &stainfo->x_UncstKey.skey[0];
- prwskeylen = 16;
length = ((union recv_frame *)precvframe)->
u.hdr.len-prxattrib->hdrlen-prxattrib->iv_len;
aes_decipher(prwskey, prxattrib->hdrlen, pframe,
diff --git a/drivers/staging/rtl8712/rtl871x_sta_mgt.c b/drivers/staging/rtl8712/rtl871x_sta_mgt.c
index e769bb5..4c9b98e 100644
--- a/drivers/staging/rtl8712/rtl871x_sta_mgt.c
+++ b/drivers/staging/rtl8712/rtl871x_sta_mgt.c
@@ -79,13 +79,11 @@ static void mfree_all_stainfo(struct sta_priv *pstapriv)
{
unsigned long irqL;
struct list_head *plist, *phead;
- struct sta_info *psta = NULL;

spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
phead = &pstapriv->free_sta_queue.queue;
plist = phead->next;
while ((end_of_queue_search(phead, plist)) == false) {
- psta = LIST_CONTAINOR(plist, struct sta_info, list);
plist = plist->next;
}

@@ -109,7 +107,6 @@ u32 _r8712_free_sta_priv(struct sta_priv *pstapriv)

struct sta_info *r8712_alloc_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
{
- uint tmp_aid;
s32 index;
struct list_head *phash_list;
struct sta_info *psta;
@@ -127,7 +124,6 @@ struct sta_info *r8712_alloc_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
psta = LIST_CONTAINOR(pfree_sta_queue->queue.next,
struct sta_info, list);
list_del_init(&(psta->list));
- tmp_aid = psta->aid;
_init_stainfo(psta);
memcpy(psta->hwaddr, hwaddr, ETH_ALEN);
index = wifi_mac_hash(hwaddr);
@@ -267,15 +263,10 @@ struct sta_info *r8712_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)

void r8712_init_bcmc_stainfo(struct _adapter *padapter)
{
- struct sta_info *psta;
- struct tx_servq *ptxservq;
unsigned char bcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
struct sta_priv *pstapriv = &padapter->stapriv;

- psta = r8712_alloc_stainfo(pstapriv, bcast_addr);
- if (psta == NULL)
- return;
- ptxservq = &(psta->sta_xmitpriv.be_q);
+ r8712_alloc_stainfo(pstapriv, bcast_addr);
}

struct sta_info *r8712_get_bcmc_stainfo(struct _adapter *padapter)
diff --git a/drivers/staging/rtl8712/rtl871x_xmit.c b/drivers/staging/rtl8712/rtl871x_xmit.c
index 9d26fd2..62a377e 100644
--- a/drivers/staging/rtl8712/rtl871x_xmit.c
+++ b/drivers/staging/rtl8712/rtl871x_xmit.c
@@ -184,7 +184,6 @@ void _free_xmit_priv(struct xmit_priv *pxmitpriv)
sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt,
struct pkt_attrib *pattrib)
{
- uint i;
struct pkt_file pktfile;
struct sta_info *psta = NULL;
struct ethhdr etherhdr;
@@ -199,7 +198,7 @@ sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt,

_r8712_open_pktfile(pkt, &pktfile);

- i = _r8712_pktfile_read(&pktfile, (unsigned char *)&etherhdr, ETH_HLEN);
+ _r8712_pktfile_read(&pktfile, (unsigned char *)&etherhdr, ETH_HLEN);

pattrib->ether_type = ntohs(etherhdr.h_proto);

@@ -236,7 +235,7 @@ sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt,
/* for mp storing the txcmd per packet,
* according to the info of txcmd to update pattrib */
/*get MP_TXDESC_SIZE bytes txcmd per packet*/
- i = _r8712_pktfile_read(&pktfile, (u8 *)&txdesc, TXDESC_SIZE);
+ _r8712_pktfile_read(&pktfile, (u8 *)&txdesc, TXDESC_SIZE);
memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
pattrib->pctrl = 1;
@@ -347,7 +346,7 @@ sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt,
static sint xmitframe_addmic(struct _adapter *padapter,
struct xmit_frame *pxmitframe)
{
- u32 curfragnum, length, datalen;
+ u32 curfragnum, length;
u8 *pframe, *payload, mic[8];
struct mic_data micdata;
struct sta_info *stainfo;
@@ -369,7 +368,6 @@ static sint xmitframe_addmic(struct _adapter *padapter,
u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0};
- datalen = pattrib->pktlen - pattrib->hdrlen;
pframe = pxmitframe->buf_addr + TXDESC_OFFSET;
if (bmcst) {
if (!memcmp(psecuritypriv->XGrptxmickey
@@ -825,16 +823,13 @@ void r8712_free_xmitframe(struct xmit_priv *pxmitpriv,
unsigned long irqL;
struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
struct _adapter *padapter = pxmitpriv->adapter;
- struct sk_buff *pndis_pkt = NULL;

if (pxmitframe == NULL)
return;
spin_lock_irqsave(&pfree_xmit_queue->lock, irqL);
list_del_init(&pxmitframe->list);
- if (pxmitframe->pkt) {
- pndis_pkt = pxmitframe->pkt;
+ if (pxmitframe->pkt)
pxmitframe->pkt = NULL;
- }
list_add_tail(&pxmitframe->list, &pfree_xmit_queue->queue);
pxmitpriv->free_xmitframe_cnt++;
spin_unlock_irqrestore(&pfree_xmit_queue->lock, irqL);
diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
index da3856d..7d0d171 100644
--- a/drivers/staging/rtl8712/usb_intf.c
+++ b/drivers/staging/rtl8712/usb_intf.c
@@ -255,9 +255,6 @@ static struct drv_priv drvpriv = {
static uint r8712_usb_dvobj_init(struct _adapter *padapter)
{
uint status = _SUCCESS;
- struct usb_device_descriptor *pdev_desc;
- struct usb_host_config *phost_conf;
- struct usb_config_descriptor *pconf_desc;
struct usb_host_interface *phost_iface;
struct usb_interface_descriptor *piface_desc;
struct dvobj_priv *pdvobjpriv = &padapter->dvobjpriv;
@@ -265,9 +262,6 @@ static uint r8712_usb_dvobj_init(struct _adapter *padapter)

pdvobjpriv->padapter = padapter;
padapter->EepromAddressSize = 6;
- pdev_desc = &pusbd->descriptor;
- phost_conf = pusbd->actconfig;
- pconf_desc = &phost_conf->desc;
phost_iface = &pintf->altsetting[0];
piface_desc = &phost_iface->desc;
pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
diff --git a/drivers/staging/rtl8712/usb_ops_linux.c b/drivers/staging/rtl8712/usb_ops_linux.c
index e0a155a..c3a4e3f 100644
--- a/drivers/staging/rtl8712/usb_ops_linux.c
+++ b/drivers/staging/rtl8712/usb_ops_linux.c
@@ -168,7 +168,6 @@ static void usb_write_mem_complete(struct urb *purb)
void r8712_usb_write_mem(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *wmem)
{
unsigned int pipe;
- int status;
struct _adapter *padapter = (struct _adapter *)pintfhdl->adapter;
struct intf_priv *pintfpriv = pintfhdl->pintfpriv;
struct io_queue *pio_queue = (struct io_queue *)padapter->pio_queue;
@@ -186,7 +185,7 @@ void r8712_usb_write_mem(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *wmem)
usb_fill_bulk_urb(piorw_urb, pusbd, pipe,
wmem, cnt, usb_write_mem_complete,
pio_queue);
- status = usb_submit_urb(piorw_urb, GFP_ATOMIC);
+ usb_submit_urb(piorw_urb, GFP_ATOMIC);
_down_sema(&pintfpriv->io_retevt);
}

diff --git a/drivers/staging/rtl8712/xmit_linux.c b/drivers/staging/rtl8712/xmit_linux.c
index 0ac9130..039b598 100644
--- a/drivers/staging/rtl8712/xmit_linux.c
+++ b/drivers/staging/rtl8712/xmit_linux.c
@@ -79,7 +79,6 @@ sint r8712_endofpktfile(struct pkt_file *pfile)

void r8712_set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib)
{
- int i;
struct ethhdr etherhdr;
struct iphdr ip_hdr;
u16 UserPriority = 0;
@@ -89,8 +88,7 @@ void r8712_set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib)

/* get UserPriority from IP hdr*/
if (pattrib->ether_type == 0x0800) {
- i = _r8712_pktfile_read(ppktfile, (u8 *)&ip_hdr,
- sizeof(ip_hdr));
+ _r8712_pktfile_read(ppktfile, (u8 *)&ip_hdr, sizeof(ip_hdr));
/*UserPriority = (ntohs(ip_hdr.tos) >> 5) & 0x3 ;*/
UserPriority = ip_hdr.tos >> 5;
} else {
--
1.8.1.2


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