staging: rtl8188eu: core: fix coding style issues

Fixing WARNING: Prefer using '"%s...", __func__' to using 'function_name'
in a string in rtw_ioctl_set.c
Signed-off-by: Arpitha Raghunandan <98.arpi@gmail.com>
Link: https://lore.kernel.org/r/20200715154623.78315-1-98.arpi@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/core/rtw_ioctl_set.c

@@ -44,12 +44,12 @@ u8 rtw_do_join(struct adapter *padapter)
 
 		if (!pmlmepriv->LinkDetectInfo.bBusyTraffic ||
 		    pmlmepriv->to_roaming > 0) {
-			RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("rtw_do_join(): site survey if scanned_queue is empty\n."));
+			RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("%s: site survey if scanned_queue is empty\n.", __func__));
 			/*  submit site_survey_cmd */
 			ret = rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0);
 			if (ret != _SUCCESS) {
 				pmlmepriv->to_join = false;
-				RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("rtw_do_join(): site survey return error\n."));
+				RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("%s: site survey return error\n.", __func__));
 			}
 		} else {
 			pmlmepriv->to_join = false;
@@ -313,7 +313,7 @@ u8 rtw_set_802_11_infrastructure_mode(struct adapter *padapter,
 	enum ndis_802_11_network_infra *pold_state = &cur_network->network.InfrastructureMode;
 
 	RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_notice_,
-		 ("+rtw_set_802_11_infrastructure_mode: old =%d new =%d fw_state = 0x%08x\n",
+		 ("+%s: old =%d new =%d fw_state = 0x%08x\n", __func__,
 		  *pold_state, networktype, get_fwstate(pmlmepriv)));
 
 	if (*pold_state != networktype) {
@@ -496,7 +496,7 @@ u8 rtw_set_802_11_add_wep(struct adapter *padapter, struct ndis_802_11_wep *wep)
 		break;
 	}
 	RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_,
-		 ("rtw_set_802_11_add_wep:before memcpy, wep->KeyLength = 0x%x wep->KeyIndex = 0x%x  keyid =%x\n",
+		 ("%s:before memcpy, wep->KeyLength = 0x%x wep->KeyIndex = 0x%x  keyid =%x\n", __func__,
 		 wep->KeyLength, wep->KeyIndex, keyid));
 
 	memcpy(&psecuritypriv->dot11DefKey[keyid].skey[0],
@@ -507,7 +507,7 @@ u8 rtw_set_802_11_add_wep(struct adapter *padapter, struct ndis_802_11_wep *wep)
 	psecuritypriv->dot11PrivacyKeyIndex = keyid;
 
 	RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_,
-		 ("rtw_set_802_11_add_wep:security key material : %x %x %x %x %x %x %x %x %x %x %x %x %x\n",
+		 ("%s:security key material : %x %x %x %x %x %x %x %x %x %x %x %x %x\n", __func__,
 		 psecuritypriv->dot11DefKey[keyid].skey[0],
 		 psecuritypriv->dot11DefKey[keyid].skey[1],
 		 psecuritypriv->dot11DefKey[keyid].skey[2],