Staging: rtl8723bs: core: rtw_cmd: Remove cast to pointer types in kfree

The cast to pointer types in kfree is not needed and can be dropped.
This was done using the following semantic patch by coccinelle,
except kfree((unsigned char*) pcmd->parmbuf) which was transformed by
hand because coccinelle didn't have enough type information.

@r@
type T,P;
T* x;
@@

kfree(
-(P *)
x )
Signed-off-by: NSrishti Sharma <srishtishar@gmail.com>
Acked-by: NJulia Lawall <julia.lawall@lip6.fr>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/core/rtw_cmd.c

@@ -408,7 +408,7 @@ void rtw_free_cmd_obj(struct cmd_obj *pcmd)
 	}
 
 	/* free cmd_obj */
-	kfree((unsigned char *)pcmd);
+	kfree(pcmd);
 }
 
 
@@ -619,7 +619,7 @@ u8 rtw_sitesurvey_cmd(struct adapter  *padapter, struct ndis_802_11_ssid *ssid,
 
 	psurveyPara = rtw_zmalloc(sizeof(struct sitesurvey_parm));
 	if (psurveyPara == NULL) {
-		kfree((unsigned char *) ph2c);
+		kfree(ph2c);
 		return _FAIL;
 	}
 
@@ -689,7 +689,7 @@ u8 rtw_setdatarate_cmd(struct adapter *padapter, u8 *rateset)
 
 	pbsetdataratepara = rtw_zmalloc(sizeof(struct setdatarate_parm));
 	if (pbsetdataratepara == NULL) {
-		kfree((u8 *) ph2c);
+		kfree(ph2c);
 		res = _FAIL;
 		goto exit;
 	}
@@ -706,8 +706,8 @@ u8 rtw_setdatarate_cmd(struct adapter *padapter, u8 *rateset)
 void rtw_getbbrfreg_cmdrsp_callback(struct adapter *padapter,  struct cmd_obj *pcmd)
 {
 	/* rtw_free_cmd_obj(pcmd); */
-	kfree((unsigned char *) pcmd->parmbuf);
-	kfree((unsigned char *) pcmd);
+	kfree(pcmd->parmbuf);
+	kfree(pcmd);
 }
 
 u8 rtw_createbss_cmd(struct adapter  *padapter)
@@ -847,7 +847,7 @@ u8 rtw_joinbss_cmd(struct adapter  *padapter, struct wlan_network *pnetwork)
 	psecnetwork = (struct wlan_bssid_ex *)&psecuritypriv->sec_bss;
 	if (psecnetwork == NULL) {
 		if (pcmd != NULL)
-			kfree((unsigned char *)pcmd);
+			kfree(pcmd);
 
 		res = _FAIL;
 
@@ -955,7 +955,7 @@ u8 rtw_disassoc_cmd(struct adapter *padapter, u32 deauth_timeout_ms, bool enqueu
 		cmdobj = rtw_zmalloc(sizeof(*cmdobj));
 		if (cmdobj == NULL) {
 			res = _FAIL;
-			kfree((u8 *)param);
+			kfree(param);
 			goto exit;
 		}
 		init_h2fwcmd_w_parm_no_rsp(cmdobj, param, _DisConnect_CMD_);
@@ -964,7 +964,7 @@ u8 rtw_disassoc_cmd(struct adapter *padapter, u32 deauth_timeout_ms, bool enqueu
 		/* no need to enqueue, do the cmd hdl directly and free cmd parameter */
 		if (H2C_SUCCESS != disconnect_hdl(padapter, (u8 *)param))
 			res = _FAIL;
-		kfree((u8 *)param);
+		kfree(param);
 	}
 
 exit:
@@ -990,7 +990,7 @@ u8 rtw_setopmode_cmd(struct adapter  *padapter, enum NDIS_802_11_NETWORK_INFRAST
 	if (enqueue) {
 		ph2c = rtw_zmalloc(sizeof(struct cmd_obj));
 		if (ph2c == NULL) {
-			kfree((u8 *)psetop);
+			kfree(psetop);
 			res = _FAIL;
 			goto exit;
 		}
@@ -999,7 +999,7 @@ u8 rtw_setopmode_cmd(struct adapter  *padapter, enum NDIS_802_11_NETWORK_INFRAST
 		res = rtw_enqueue_cmd(pcmdpriv, ph2c);
 	} else{
 		setopmode_hdl(padapter, (u8 *)psetop);
-		kfree((u8 *)psetop);
+		kfree(psetop);
 	}
 exit:
 	return res;
@@ -1042,15 +1042,15 @@ u8 rtw_setstakey_cmd(struct adapter *padapter, struct sta_info *sta, u8 unicast_
 	if (enqueue) {
 		ph2c = rtw_zmalloc(sizeof(struct cmd_obj));
 		if (ph2c == NULL) {
-			kfree((u8 *) psetstakey_para);
+			kfree(psetstakey_para);
 			res = _FAIL;
 			goto exit;
 		}
 
 		psetstakey_rsp = rtw_zmalloc(sizeof(struct set_stakey_rsp));
 		if (psetstakey_rsp == NULL) {
-			kfree((u8 *) ph2c);
-			kfree((u8 *) psetstakey_para);
+			kfree(ph2c);
+			kfree(psetstakey_para);
 			res = _FAIL;
 			goto exit;
 		}
@@ -1061,7 +1061,7 @@ u8 rtw_setstakey_cmd(struct adapter *padapter, struct sta_info *sta, u8 unicast_
 		res = rtw_enqueue_cmd(pcmdpriv, ph2c);
 	} else{
 		set_stakey_hdl(padapter, (u8 *)psetstakey_para);
-		kfree((u8 *) psetstakey_para);
+		kfree(psetstakey_para);
 	}
 exit:
 	return res;
@@ -1091,15 +1091,15 @@ u8 rtw_clearstakey_cmd(struct adapter *padapter, struct sta_info *sta, u8 enqueu
 
 		psetstakey_para = rtw_zmalloc(sizeof(struct set_stakey_parm));
 		if (psetstakey_para == NULL) {
-			kfree((u8 *) ph2c);
+			kfree(ph2c);
 			res = _FAIL;
 			goto exit;
 		}
 
 		psetstakey_rsp = rtw_zmalloc(sizeof(struct set_stakey_rsp));
 		if (psetstakey_rsp == NULL) {
-			kfree((u8 *) ph2c);
-			kfree((u8 *) psetstakey_para);
+			kfree(ph2c);
+			kfree(psetstakey_para);
 			res = _FAIL;
 			goto exit;
 		}
@@ -1136,7 +1136,7 @@ u8 rtw_addbareq_cmd(struct adapter *padapter, u8 tid, u8 *addr)
 
 	paddbareq_parm = rtw_zmalloc(sizeof(struct addBaReq_parm));
 	if (paddbareq_parm == NULL) {
-		kfree((unsigned char *)ph2c);
+		kfree(ph2c);
 		res = _FAIL;
 		goto exit;
 	}
@@ -1170,7 +1170,7 @@ u8 rtw_reset_securitypriv_cmd(struct adapter *padapter)
 
 	pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm));
 	if (pdrvextra_cmd_parm == NULL) {
-		kfree((unsigned char *)ph2c);
+		kfree(ph2c);
 		res = _FAIL;
 		goto exit;
 	}
@@ -1205,7 +1205,7 @@ u8 rtw_free_assoc_resources_cmd(struct adapter *padapter)
 
 	pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm));
 	if (pdrvextra_cmd_parm == NULL) {
-		kfree((unsigned char *)ph2c);
+		kfree(ph2c);
 		res = _FAIL;
 		goto exit;
 	}
@@ -1241,7 +1241,7 @@ u8 rtw_dynamic_chk_wk_cmd(struct adapter *padapter)
 
 	pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm));
 	if (pdrvextra_cmd_parm == NULL) {
-		kfree((unsigned char *)ph2c);
+		kfree(ph2c);
 		res = _FAIL;
 		goto exit;
 	}
@@ -1294,7 +1294,7 @@ u8 rtw_set_chplan_cmd(struct adapter *padapter, u8 chplan, u8 enqueue, u8 swconf
 		/* need enqueue, prepare cmd_obj and enqueue */
 		pcmdobj = rtw_zmalloc(sizeof(struct cmd_obj));
 		if (pcmdobj == NULL) {
-			kfree((u8 *)setChannelPlan_param);
+			kfree(setChannelPlan_param);
 			res = _FAIL;
 			goto exit;
 		}
@@ -1306,7 +1306,7 @@ u8 rtw_set_chplan_cmd(struct adapter *padapter, u8 chplan, u8 enqueue, u8 swconf
 		if (H2C_SUCCESS != set_chplan_hdl(padapter, (unsigned char *)setChannelPlan_param))
 			res = _FAIL;
 
-		kfree((u8 *)setChannelPlan_param);
+		kfree(setChannelPlan_param);
 	}
 
 	/* do something based on res... */
@@ -1561,7 +1561,7 @@ u8 rtw_lps_ctrl_wk_cmd(struct adapter *padapter, u8 lps_ctrl_type, u8 enqueue)
 
 		pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm));
 		if (pdrvextra_cmd_parm == NULL) {
-			kfree((unsigned char *)ph2c);
+			kfree(ph2c);
 			res = _FAIL;
 			goto exit;
 		}
@@ -1603,7 +1603,7 @@ u8 rtw_dm_in_lps_wk_cmd(struct adapter *padapter)
 
 	pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm));
 	if (pdrvextra_cmd_parm == NULL) {
-		kfree((unsigned char *)ph2c);
+		kfree(ph2c);
 		res = _FAIL;
 		goto exit;
 	}
@@ -1676,7 +1676,7 @@ u8 rtw_dm_ra_mask_wk_cmd(struct adapter *padapter, u8 *psta)
 
 	pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm));
 	if (pdrvextra_cmd_parm == NULL) {
-		kfree((unsigned char *)ph2c);
+		kfree(ph2c);
 		res = _FAIL;
 		goto exit;
 	}
@@ -1727,7 +1727,7 @@ u8 rtw_ps_cmd(struct adapter *padapter)
 
 	pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm));
 	if (pdrvextra_cmd_parm == NULL) {
-		kfree((unsigned char *)ppscmd);
+		kfree(ppscmd);
 		res = _FAIL;
 		goto exit;
 	}
@@ -1799,7 +1799,7 @@ u8 rtw_chk_hi_queue_cmd(struct adapter *padapter)
 
 	pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm));
 	if (pdrvextra_cmd_parm == NULL) {
-		kfree((unsigned char *)ph2c);
+		kfree(ph2c);
 		res = _FAIL;
 		goto exit;
 	}
@@ -1898,7 +1898,7 @@ u8 rtw_c2h_packet_wk_cmd(struct adapter *padapter, u8 *pbuf, u16 length)
 
 	pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm));
 	if (pdrvextra_cmd_parm == NULL) {
-		kfree((u8 *)ph2c);
+		kfree(ph2c);
 		res = _FAIL;
 		goto exit;
 	}
@@ -1933,7 +1933,7 @@ u8 rtw_c2h_wk_cmd(struct adapter *padapter, u8 *c2h_evt)
 
 	pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm));
 	if (pdrvextra_cmd_parm == NULL) {
-		kfree((u8 *)ph2c);
+		kfree(ph2c);
 		res = _FAIL;
 		goto exit;
 	}