[PATCH 2/2] Staging: rtl8192u: r8192U_wx.c Code cleanup and code-style additions

Chaitanya Hazarey c at 24.io
Wed May 28 23:17:28 UTC 2014


Removed dead code
Deleted stray newlines
Added newlines for better code readability

Addressed the following errors:

ERROR: do not use C99 // comments
ERROR: need consistent spacing around '|' (ctx:VxW)

Signed-off-by: Chaitanya Hazarey <c at 24.io>
---
 drivers/staging/rtl8192u/r8192U_wx.c | 155 +++++++++++++++++------------------
 1 file changed, 76 insertions(+), 79 deletions(-)

diff --git a/drivers/staging/rtl8192u/r8192U_wx.c b/drivers/staging/rtl8192u/r8192U_wx.c
index 675a12d..ad9bc0b 100644
--- a/drivers/staging/rtl8192u/r8192U_wx.c
+++ b/drivers/staging/rtl8192u/r8192U_wx.c
@@ -57,6 +57,7 @@ static int r8192_wx_get_rate(struct net_device *dev,
 			     union iwreq_data *wrqu, char *extra)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
+
 	return ieee80211_wx_get_rate(priv->ieee80211, info, wrqu, extra);
 }
 
@@ -100,6 +101,7 @@ static int r8192_wx_get_rts(struct net_device *dev,
 			     union iwreq_data *wrqu, char *extra)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
+
 	return ieee80211_wx_get_rts(priv->ieee80211, info, wrqu, extra);
 }
 
@@ -124,6 +126,7 @@ static int r8192_wx_get_power(struct net_device *dev,
 			     union iwreq_data *wrqu, char *extra)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
+
 	return ieee80211_wx_get_power(priv->ieee80211, info, wrqu, extra);
 }
 
@@ -180,8 +183,8 @@ static int r8192_wx_set_crcmon(struct net_device *dev,
 	      priv->crcmon ? "accepted" : "rejected");
 
 	if (prev != priv->crcmon && priv->up) {
-		//rtl8180_down(dev);
-		//rtl8180_up(dev);
+		/*rtl8180_down(dev);
+		  rtl8180_up(dev); */
 	}
 
 	up(&priv->wx_sem);
@@ -194,6 +197,7 @@ static int r8192_wx_set_mode(struct net_device *dev, struct iw_request_info *a,
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
 	int ret;
+
 	down(&priv->wx_sem);
 
 	ret = ieee80211_wx_set_mode(priv->ieee80211, a, wrqu, b);
@@ -249,15 +253,15 @@ static int rtl8180_wx_get_range(struct net_device *dev,
 	/* ~5 Mb/s real (802.11b) */
 	range->throughput = 5 * 1000 * 1000;
 
-	// TODO: Not used in 802.11b?
-//	range->min_nwid;	/* Minimal NWID we are able to set */
-	// TODO: Not used in 802.11b?
-//	range->max_nwid;	/* Maximal NWID we are able to set */
+	/* TODO: Not used in 802.11b? */
+	/*range->min_nwid; */	/* Minimal NWID we are able to set */
+	/* TODO: Not used in 802.11b? */
+	/*range->max_nwid; */	/* Maximal NWID we are able to set */
 
 	/* Old Frequency (backward compat - moved lower ) */
-//	range->old_num_channels;
-//	range->old_num_frequency;
-//	range->old_freq[6]; /* Filler to keep "version" at the same offset */
+	/*range->old_num_channels; */
+	/*range->old_num_frequency; */
+	/*range->old_freq[6]; */ /* Filler to keep "version" at the same offset */
 	if (priv->rf_set_sens != NULL)
 		range->sensitivity = priv->max_sens;	/* signal level threshold range */
 
@@ -292,26 +296,26 @@ static int rtl8180_wx_get_range(struct net_device *dev,
 	range->we_version_compiled = WIRELESS_EXT;
 	range->we_version_source = 16;
 
-//	range->retry_capa;	/* What retry options are supported */
-//	range->retry_flags;	/* How to decode max/min retry limit */
-//	range->r_time_flags;	/* How to decode max/min retry life */
-//	range->min_retry;	/* Minimal number of retries */
-//	range->max_retry;	/* Maximal number of retries */
-//	range->min_r_time;	/* Minimal retry lifetime */
-//	range->max_r_time;	/* Maximal retry lifetime */
+	/*range->retry_capa; */	/* What retry options are supported */
+	/*range->retry_flags; */	/* How to decode max/min retry limit */
+	/*range->r_time_flags; */	/* How to decode max/min retry life */
+	/*range->min_retry; */	/* Minimal number of retries */
+	/*range->max_retry; */	/* Maximal number of retries */
+	/*range->min_r_time; */	/* Minimal retry lifetime */
+	/*range->max_r_time; */	/* Maximal retry lifetime */
 
 
 	for (i = 0, val = 0; i < 14; i++) {
 
-		// Include only legal frequencies for some countries
+		/* Include only legal frequencies for some countries */
 		if ((GET_DOT11D_INFO(priv->ieee80211)->channel_map)[i+1]) {
 			range->freq[val].i = i + 1;
 			range->freq[val].m = ieee80211_wlan_frequencies[i] * 100000;
 			range->freq[val].e = 1;
 			val++;
 		} else {
-			// FIXME: do we need to set anything for channels
-			// we don't use ?
+			/* FIXME: do we need to set anything for channels
+			   we don't use ? */
 		}
 
 		if (val == IW_MAX_FREQUENCIES)
@@ -341,10 +345,8 @@ static int r8192_wx_set_scan(struct net_device *dev, struct iw_request_info *a,
 	if (wrqu->data.flags & IW_SCAN_THIS_ESSID) {
 		struct iw_scan_req *req = (struct iw_scan_req *)b;
 		if (req->essid_len) {
-			//printk("==**&*&*&**===>scan set ssid:%s\n", req->essid);
 			ieee->current_network.ssid_len = req->essid_len;
 			memcpy(ieee->current_network.ssid, req->essid, req->essid_len);
-			//printk("=====>network ssid:%s\n", ieee->current_network.ssid);
 		}
 	}
 
@@ -386,6 +388,7 @@ static int r8192_wx_set_essid(struct net_device *dev,
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
 	int ret;
+
 	down(&priv->wx_sem);
 
 	ret = ieee80211_wx_set_essid(priv->ieee80211, a, wrqu, b);
@@ -434,6 +437,7 @@ static int r8192_wx_get_name(struct net_device *dev,
 			     union iwreq_data *wrqu, char *extra)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
+
 	return ieee80211_wx_get_name(priv->ieee80211, info, wrqu, extra);
 }
 
@@ -480,7 +484,7 @@ static int r8192_wx_set_wap(struct net_device *dev,
 
 	int ret;
 	struct r8192_priv *priv = ieee80211_priv(dev);
-//        struct sockaddr *temp = (struct sockaddr *)awrq;
+
 	down(&priv->wx_sem);
 
 	ret = ieee80211_wx_set_wap(priv->ieee80211, info, awrq, extra);
@@ -519,11 +523,9 @@ static int r8192_wx_set_enc(struct net_device *dev,
 	struct ieee80211_device *ieee = priv->ieee80211;
 	int ret;
 
-	//u32 TargetContent;
 	u32 hwkey[4] = {0, 0, 0, 0};
 	u8 mask = 0xff;
 	u32 key_idx = 0;
-	//u8 broadcast_addr[6] ={	0xff,0xff,0xff,0xff,0xff,0xff};
 	u8 zero_addr[4][6] = {	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
 				{0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
 				{0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
@@ -542,7 +544,7 @@ static int r8192_wx_set_enc(struct net_device *dev,
 
 
 
-	//sometimes, the length is zero while we do not type key value
+	/* sometimes, the length is zero while we do not type key value */
 	if (wrqu->encoding.length != 0) {
 
 		for (i = 0; i < 4; i++) {
@@ -584,12 +586,12 @@ static int r8192_wx_set_enc(struct net_device *dev,
 			EnableHWSecurityConfig8192(dev);
 
 			setKey(dev,
-				key_idx,                //EntryNo
-				key_idx,                //KeyIndex
-				KEY_TYPE_WEP40,         //KeyType
+				key_idx,                /* EntryNo */
+				key_idx,                /* KeyIndex */
+				KEY_TYPE_WEP40,         /* KeyType */
 				zero_addr[key_idx],
-				0,                      //DefaultKey
-				hwkey);                 //KeyContent
+				0,                      /* DefaultKey */
+				hwkey);                 /* KeyContent */
 
 		}
 
@@ -598,12 +600,12 @@ static int r8192_wx_set_enc(struct net_device *dev,
 				EnableHWSecurityConfig8192(dev);
 
 			setKey(dev,
-				key_idx,                //EntryNo
-				key_idx,                //KeyIndex
-				KEY_TYPE_WEP104,        //KeyType
+				key_idx,                /* EntryNo */
+				key_idx,                /* KeyIndex */
+				KEY_TYPE_WEP104,        /* KeyType */
 				zero_addr[key_idx],
-				0,                      //DefaultKey
-				hwkey);                 //KeyContent
+				0,                      /* DefaultKey */
+				hwkey);                 /* KeyContent */
 
 		} else {
 			printk("wrong type in WEP, not WEP40 and WEP104\n");
@@ -703,7 +705,6 @@ static int r8192_wx_get_retry(struct net_device *dev,
 		wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MIN;
 		wrqu->retry.value = priv->retry_data;
 	}
-	//printk("returning %d",wrqu->retry.value);
 
 
 	return 0;
@@ -714,6 +715,7 @@ static int r8192_wx_get_sens(struct net_device *dev,
 				union iwreq_data *wrqu, char *extra)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
+
 	if (priv->rf_set_sens == NULL)
 		return -1; /* we have not this support for this radio */
 	wrqu->sens.value = priv->sens;
@@ -727,10 +729,9 @@ static int r8192_wx_set_sens(struct net_device *dev,
 {
 
 	struct r8192_priv *priv = ieee80211_priv(dev);
-
 	short err = 0;
+
 	down(&priv->wx_sem);
-	//DMESG("attempt to set sensivity to %ddb",wrqu->sens.value);
 	if (priv->rf_set_sens == NULL) {
 		err = -1; /* we have not this support for this radio */
 		goto exit;
@@ -746,7 +747,7 @@ exit:
 	return err;
 }
 
-//hw security need to reorganized.
+/* hw security need to reorganized. */
 static int r8192_wx_set_enc_ext(struct net_device *dev,
 					struct iw_request_info *info,
 					union iwreq_data *wrqu, char *extra)
@@ -754,8 +755,6 @@ static int r8192_wx_set_enc_ext(struct net_device *dev,
 	int ret = 0;
 	struct r8192_priv *priv = ieee80211_priv(dev);
 	struct ieee80211_device *ieee = priv->ieee80211;
-	//printk("===>%s()\n", __func__);
-
 
 	down(&priv->wx_sem);
 	ret = ieee80211_wx_set_encode_ext(priv->ieee80211, info, wrqu, extra);
@@ -768,10 +767,10 @@ static int r8192_wx_set_enc_ext(struct net_device *dev,
 		struct iw_point *encoding = &wrqu->encoding;
 		u8 idx = 0, alg = 0, group = 0;
 		if ((encoding->flags & IW_ENCODE_DISABLED) || ext->alg == IW_ENCODE_ALG_NONE)
-			//none is not allowed to use hwsec WB 2008.07.01
+			/* none is not allowed to use hwsec WB 2008.07.01 */
 			goto end_hw_sec;
 
-		// as IW_ENCODE_ALG_CCMP is defined to be 3 and KEY_TYPE_CCMP is defined to 4;
+		/* as IW_ENCODE_ALG_CCMP is defined to be 3 and KEY_TYPE_CCMP is defined to 4; */
 		alg =  (ext->alg == IW_ENCODE_ALG_CCMP)?KEY_TYPE_CCMP:ext->alg;
 		idx = encoding->flags & IW_ENCODE_INDEX;
 		if (idx)
@@ -784,34 +783,34 @@ static int r8192_wx_set_enc_ext(struct net_device *dev,
 			ieee->pairwise_key_type = alg;
 			EnableHWSecurityConfig8192(dev);
 		}
-		memcpy((u8 *)key, ext->key, 16); //we only get 16 bytes key.why? WB 2008.7.1
+		memcpy((u8 *)key, ext->key, 16); /* we only get 16 bytes key.why? WB 2008.7.1 */
 
 		if ((alg & KEY_TYPE_WEP40) && (ieee->auth_mode != 2)) {
 
 			setKey(dev,
-					idx,//EntryNo
-					idx, //KeyIndex
-					alg,  //KeyType
-					zero, //MacAddr
-					0,              //DefaultKey
-					key);           //KeyContent
+					idx,/* EntryNo */
+					idx, /* KeyIndex */
+					alg,  /* KeyType */
+					zero, /* MacAddr */
+					0,              /* DefaultKey */
+					key);           /* KeyContent */
 		} else if (group) {
 			ieee->group_key_type = alg;
 			setKey(dev,
-					idx,//EntryNo
-					idx, //KeyIndex
-					alg,  //KeyType
-					broadcast_addr, //MacAddr
-					0,              //DefaultKey
-					key);           //KeyContent
-		} else {//pairwise key
+					idx,/* EntryNo */
+					idx, /* KeyIndex */
+					alg,  /* KeyType */
+					broadcast_addr, /* MacAddr */
+					0,              /* DefaultKey */
+					key);           /* KeyContent */
+		} else {/* pairwise key */
 			setKey(dev,
-					4,//EntryNo
-					idx, //KeyIndex
-					alg,  //KeyType
-					(u8 *)ieee->ap_mac_addr, //MacAddr
-					0,              //DefaultKey
-					key);           //KeyContent
+					4,/* EntryNo */
+					idx, /* KeyIndex */
+					alg,  /* KeyType */
+					(u8 *)ieee->ap_mac_addr, /* MacAddr */
+					0,              /* DefaultKey */
+					key);           /* KeyContent */
 		}
 
 
@@ -828,8 +827,8 @@ static int r8192_wx_set_auth(struct net_device *dev,
 					union iwreq_data *data, char *extra)
 {
 	int ret = 0;
-	//printk("====>%s()\n", __func__);
 	struct r8192_priv *priv = ieee80211_priv(dev);
+
 	down(&priv->wx_sem);
 	ret = ieee80211_wx_set_auth(priv->ieee80211, info, &(data->param), extra);
 	up(&priv->wx_sem);
@@ -840,10 +839,9 @@ static int r8192_wx_set_mlme(struct net_device *dev,
 					struct iw_request_info *info,
 					union iwreq_data *wrqu, char *extra)
 {
-	//printk("====>%s()\n", __func__);
-
 	int ret = 0;
 	struct r8192_priv *priv = ieee80211_priv(dev);
+
 	down(&priv->wx_sem);
 	ret = ieee80211_wx_set_mlme(priv->ieee80211, info, wrqu, extra);
 
@@ -855,13 +853,12 @@ static int r8192_wx_set_gen_ie(struct net_device *dev,
 					struct iw_request_info *info,
 					union iwreq_data *data, char *extra)
 {
-	   //printk("====>%s(), len:%d\n", __func__, data->length);
 	int ret = 0;
 	struct r8192_priv *priv = ieee80211_priv(dev);
+
 	down(&priv->wx_sem);
 	ret = ieee80211_wx_set_gen_ie(priv->ieee80211, extra, data->data.length);
 	up(&priv->wx_sem);
-	//printk("<======%s(), ret:%d\n", __func__, ret);
 	return ret;
 
 
@@ -923,13 +920,13 @@ static iw_handler r8192_wx_handlers[] = {
 	r8192_wx_get_power,                    /* SIOCGIWPOWER */
 	NULL,			/*---hole---*/
 	NULL,			/*---hole---*/
-	r8192_wx_set_gen_ie,//NULL,			/* SIOCSIWGENIE */
+	r8192_wx_set_gen_ie,/*NULL, */			/* SIOCSIWGENIE */
 	NULL,			/* SIOCSIWGENIE */
 
-	r8192_wx_set_auth,//NULL,			/* SIOCSIWAUTH */
-	NULL,//r8192_wx_get_auth,//NULL,			/* SIOCSIWAUTH */
+	r8192_wx_set_auth,/*NULL, */			/* SIOCSIWAUTH */
+	NULL,/*r8192_wx_get_auth, NULL, */			/* SIOCSIWAUTH */
 	r8192_wx_set_enc_ext,			/* SIOCSIWENCODEEXT */
-	NULL,//r8192_wx_get_enc_ext,//NULL,			/* SIOCSIWENCODEEXT */
+	NULL,/*r8192_wx_get_enc_ext, NULL, */			/* SIOCSIWENCODEEXT */
 	NULL,			/* SIOCSIWPMKSA */
 	NULL,			 /*---hole---*/
 
@@ -962,14 +959,14 @@ static const struct iw_priv_args r8192_private_args[] = {
 
 
 static iw_handler r8192_private_handler[] = {
-//	r8192_wx_set_monitor,  /* SIOCIWFIRSTPRIV */
+	/*r8192_wx_set_monitor, */  /* SIOCIWFIRSTPRIV */
 	r8192_wx_set_crcmon,   /*SIOCIWSECONDPRIV*/
-//	r8192_wx_set_forceassociate,
-//	r8192_wx_set_beaconinterval,
-//	r8192_wx_set_monitor_type,
+	/*r8192_wx_set_forceassociate, */
+	/*r8192_wx_set_beaconinterval, */
+	/*r8192_wx_set_monitor_type, */
 	r8192_wx_set_scan_type,
 	r8192_wx_set_rawtx,
-	//r8192_wx_null,
+	/*r8192_wx_null, */
 	r8192_wx_force_reset,
 };
 
@@ -981,6 +978,7 @@ struct iw_statistics *r8192_get_wireless_stats(struct net_device *dev)
 	int tmp_level = 0;
 	int tmp_qual = 0;
 	int tmp_noise = 0;
+
 	if (ieee->state < IEEE80211_LINKED) {
 		wstats->qual.qual = 0;
 		wstats->qual.level = 0;
@@ -992,12 +990,11 @@ struct iw_statistics *r8192_get_wireless_stats(struct net_device *dev)
 	tmp_level = (&ieee->current_network)->stats.rssi;
 	tmp_qual = (&ieee->current_network)->stats.signal;
 	tmp_noise = (&ieee->current_network)->stats.noise;
-	//printk("level:%d, qual:%d, noise:%d\n", tmp_level, tmp_qual, tmp_noise);
 
 	wstats->qual.level = tmp_level;
 	wstats->qual.qual = tmp_qual;
 	wstats->qual.noise = tmp_noise;
-	wstats->qual.updated = IW_QUAL_ALL_UPDATED| IW_QUAL_DBM;
+	wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
 	return wstats;
 }
 
-- 
1.9.1



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