staging: rtl8723bs: os_dep: change return type of rtw_suspend_ap_wow

Change return type of rtw_suspend_ap_wow as its always return SUCCCESS.

Issue found with coccicheck
Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
Link: https://lore.kernel.org/r/20190717175642.GA10582@hari-Inspiron-1545Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/os_dep/os_intfs.c

@@ -1354,13 +1354,12 @@ void rtw_suspend_wow(struct adapter *padapter)
 #endif /* ifdef CONFIG_WOWLAN */
 
 #ifdef CONFIG_AP_WOWLAN
-int rtw_suspend_ap_wow(struct adapter *padapter)
+void rtw_suspend_ap_wow(struct adapter *padapter)
 {
 	u8 ch, bw, offset;
 	struct net_device *pnetdev = padapter->pnetdev;
 	struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
 	struct wowlan_ioctl_param poidparam;
-	int ret = _SUCCESS;
 
 	DBG_871X("==> " FUNC_ADPT_FMT " entry....\n", FUNC_ADPT_ARG(padapter));
 
@@ -1402,7 +1401,6 @@ int rtw_suspend_ap_wow(struct adapter *padapter)
 	rtw_set_ps_mode(padapter, PS_MODE_MIN, 0, 0, "AP-WOWLAN");
 
 	DBG_871X("<== " FUNC_ADPT_FMT " exit....\n", FUNC_ADPT_ARG(padapter));
-	return ret;
 }
 #endif /* ifdef CONFIG_AP_WOWLAN */