staging: r8188eu: convert rtw_p2p_get_status to return void

rtw_p2p_get_status always returns 0 and it's return value is not used.
Convert it to return void.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Abdun Nihaal <abdun.nihaal@gmail.com>
Link: https://lore.kernel.org/r/832c53cc201111449fccb40326084d20f676e722.1643466748.git.abdun.nihaal@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/os_dep/ioctl_linux.c

@@ -2466,11 +2466,10 @@ static void rtw_p2p_setDN(struct net_device *dev,
 	pwdinfo->device_name_len = wrqu->data.length - 1;
 }
 
-static int rtw_p2p_get_status(struct net_device *dev,
+static void rtw_p2p_get_status(struct net_device *dev,
 			       struct iw_request_info *info,
 			       union iwreq_data *wrqu, char *extra)
 {
-	int ret = 0;
 	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
 	struct wifidirect_info *pwdinfo = &padapter->wdinfo;
 
@@ -2484,8 +2483,6 @@ static int rtw_p2p_get_status(struct net_device *dev,
 	/*	About the "Role" information, we will use the new private IOCTL to get the "Role" information. */
 	sprintf(extra, "\n\nStatus =%.2d\n", rtw_p2p_state(pwdinfo));
 	wrqu->data.length = strlen(extra);
-
-	return ret;
 }
 
 /*	Commented by Albert 20110520 */