staging: rtl8723bs: core: Remove typecast in call to kfree

Remove typecast in the call to kfree as it is not needed.
Issue found using the below coccinelle script with options -I and
--recursive-includes,

@@
type t1;
expression *e;
@@

-kfree((t1 *)e);
+kfree(e);
Signed-off-by: Nachammai Karuppiah <nachukannan@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Link: https://lore.kernel.org/r/1570565858-91737-1-git-send-email-nachukannan@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/core/rtw_ap.c

@@ -1453,7 +1453,7 @@ u8 rtw_ap_set_pairwise_key(struct adapter *padapter, struct sta_info *psta)
 
 	psetstakey_para = rtw_zmalloc(sizeof(struct set_stakey_parm));
 	if (psetstakey_para == NULL) {
-		kfree((u8 *)ph2c);
+		kfree(ph2c);
 		res = _FAIL;
 		goto exit;
 	}
@@ -1496,7 +1496,7 @@ static int rtw_ap_set_key(
 	}
 	psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm));
 	if (psetkeyparm == NULL) {
-		kfree((unsigned char *)pcmd);
+		kfree(pcmd);
 		res = _FAIL;
 		goto exit;
 	}

drivers/staging/rtl8723bs/core/rtw_cmd.c

@@ -372,13 +372,13 @@ void rtw_free_cmd_obj(struct cmd_obj *pcmd)
 	if ((pcmd->cmdcode != _JoinBss_CMD_) &&
 	    (pcmd->cmdcode != _CreateBss_CMD_)) {
 		/* free parmbuf in cmd_obj */
-		kfree((unsigned char *)pcmd->parmbuf);
+		kfree(pcmd->parmbuf);
 	}
 
 	if (pcmd->rsp != NULL) {
 		if (pcmd->rspsz != 0) {
 			/* free rsp in cmd_obj */
-			kfree((unsigned char *)pcmd->rsp);
+			kfree(pcmd->rsp);
 		}
 	}
 

drivers/staging/rtl8723bs/core/rtw_mlme.c

@@ -2207,7 +2207,7 @@ sint rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv)
 
 	psetauthparm = rtw_zmalloc(sizeof(struct setauth_parm));
 	if (psetauthparm == NULL) {
-		kfree((unsigned char *)pcmd);
+		kfree(pcmd);
 		res = _FAIL;
 		goto exit;
 	}
@@ -2284,7 +2284,7 @@ sint rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, s
 	default:
 		RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key:psecuritypriv->dot11PrivacyAlgrthm = %x (must be 1 or 2 or 4 or 5)\n", psecuritypriv->dot11PrivacyAlgrthm));
 		res = _FAIL;
-		kfree((unsigned char *)psetkeyparm);
+		kfree(psetkeyparm);
 		goto exit;
 	}
 
@@ -2292,7 +2292,7 @@ sint rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, s
 	if (enqueue) {
 		pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
 		if (pcmd == NULL) {
-			kfree((unsigned char *)psetkeyparm);
+			kfree(psetkeyparm);
 			res = _FAIL;  /* try again */
 			goto exit;
 		}
@@ -2308,7 +2308,7 @@ sint rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, s
 		res = rtw_enqueue_cmd(pcmdpriv, pcmd);
 	} else {
 		setkey_hdl(adapter, (u8 *)psetkeyparm);
-		kfree((u8 *) psetkeyparm);
+		kfree(psetkeyparm);
 	}
 exit:
 	return res;

drivers/staging/rtl8723bs/core/rtw_wlan_util.c

@@ -1466,11 +1466,11 @@ int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
 		}
 	}
 
-	kfree((u8 *)bssid);
+	kfree(bssid);
 	return _SUCCESS;
 
 _mismatch:
-	kfree((u8 *)bssid);
+	kfree(bssid);
 
 	if (pmlmepriv->NumOfBcnInfoChkFail == 0)
 		pmlmepriv->timeBcnInfoChkStart = jiffies;

drivers/staging/rtl8723bs/core/rtw_xmit.c

@@ -2212,7 +2212,7 @@ void rtw_free_hwxmits(struct adapter *padapter)
 
 	hwxmits = pxmitpriv->hwxmits;
 	if (hwxmits)
-		kfree((u8 *)hwxmits);
+		kfree(hwxmits);
 }
 
 void rtw_init_hwxmits(struct hw_xmit *phwxmit, sint entry)