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Date:   Sat, 29 Jun 2019 23:56:50 +0530
From:   Hariprasad Kelam <hariprasad.kelam@gmail.com>
To:     Larry Finger <Larry.Finger@lwfinger.net>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Michael Straube <straube.linux@gmail.com>,
        Hariprasad Kelam <hariprasad.kelam@gmail.com>,
        Florian =?iso-8859-1?Q?B=FCstgens?= <flbue@gmx.de>,
        Bhaskar Singh <bhaskar.kernel@gmail.com>,
        devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: [PATCH] staging/rtl8188eu/os_dep: Remove unneeded variable ret
Message-ID: <20190629182650.GA9138@hari-Inspiron-1545>
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Sender: linux-kernel-owner@vger.kernel.org
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Below list of functions returns 0 in success and -EINVAL in failure. So
directly return 0 on Success.

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
---
 drivers/staging/rtl8188eu/os_dep/ioctl_linux.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
index eaa4adb..d9d0462 100644
--- a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
@@ -2508,7 +2508,6 @@ static int rtw_add_sta(struct net_device *dev, struct ieee_param *param)
 
 static int rtw_del_sta(struct net_device *dev, struct ieee_param *param)
 {
-	int ret = 0;
 	struct sta_info *psta = NULL;
 	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
@@ -2538,7 +2537,7 @@ static int rtw_del_sta(struct net_device *dev, struct ieee_param *param)
 		DBG_88E("rtw_del_sta(), sta has already been removed or never been added\n");
 	}
 
-	return ret;
+	return 0;
 }
 
 static int rtw_ioctl_get_sta_data(struct net_device *dev, struct ieee_param *param, int len)
@@ -2636,7 +2635,6 @@ static int rtw_get_sta_wpaie(struct net_device *dev, struct ieee_param *param)
 
 static int rtw_set_wps_beacon(struct net_device *dev, struct ieee_param *param, int len)
 {
-	int ret = 0;
 	unsigned char wps_oui[4] = {0x0, 0x50, 0xf2, 0x04};
 	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
@@ -2668,12 +2666,11 @@ static int rtw_set_wps_beacon(struct net_device *dev, struct ieee_param *param,
 		pmlmeext->bstart_bss = true;
 	}
 
-	return ret;
+	return 0;
 }
 
 static int rtw_set_wps_probe_resp(struct net_device *dev, struct ieee_param *param, int len)
 {
-	int ret = 0;
 	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 	int ie_len;
@@ -2698,12 +2695,11 @@ static int rtw_set_wps_probe_resp(struct net_device *dev, struct ieee_param *par
 		memcpy(pmlmepriv->wps_probe_resp_ie, param->u.bcn_ie.buf, ie_len);
 	}
 
-	return ret;
+	return 0;
 }
 
 static int rtw_set_wps_assoc_resp(struct net_device *dev, struct ieee_param *param, int len)
 {
-	int ret = 0;
 	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 	int ie_len;
@@ -2729,12 +2725,11 @@ static int rtw_set_wps_assoc_resp(struct net_device *dev, struct ieee_param *par
 		memcpy(pmlmepriv->wps_assoc_resp_ie, param->u.bcn_ie.buf, ie_len);
 	}
 
-	return ret;
+	return 0;
 }
 
 static int rtw_set_hidden_ssid(struct net_device *dev, struct ieee_param *param, int len)
 {
-	int ret = 0;
 	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
@@ -2754,7 +2749,7 @@ static int rtw_set_hidden_ssid(struct net_device *dev, struct ieee_param *param,
 		value = 0;
 	DBG_88E("%s value(%u)\n", __func__, value);
 	pmlmeinfo->hidden_ssid_mode = value;
-	return ret;
+	return 0;
 }
 
 static int rtw_ioctl_acl_remove_sta(struct net_device *dev, struct ieee_param *param, int len)
@@ -2787,7 +2782,6 @@ static int rtw_ioctl_acl_add_sta(struct net_device *dev, struct ieee_param *para
 
 static int rtw_ioctl_set_macaddr_acl(struct net_device *dev, struct ieee_param *param, int len)
 {
-	int ret = 0;
 	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 
@@ -2796,7 +2790,7 @@ static int rtw_ioctl_set_macaddr_acl(struct net_device *dev, struct ieee_param *
 
 	rtw_set_macaddr_acl(padapter, param->u.mlme.command);
 
-	return ret;
+	return 0;
 }
 
 static int rtw_hostapd_ioctl(struct net_device *dev, struct iw_point *p)
-- 
2.7.4