linux-kernel - [PATCH] staging: rtl8723bs: Fix Unneeded variable: "ret". Return "0"

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Message-ID: <20190607031049.GA30138@t-1000>
Date:   Thu, 6 Jun 2019 20:10:52 -0700
From:   Shobhit Kukreti <shobhitkukreti@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Bastien Nocera <hadess@...ess.net>,
        Hans de Goede <hdegoede@...hat.com>,
        Larry Finger <Larry.Finger@...inger.net>
Subject: [PATCH] staging: rtl8723bs: Fix Unneeded variable: "ret". Return "0"

coccicheck reported Unneeded variable ret at rtl8723bs/core/rtw_ap.c:1400.
Function "rtw_acl_remove_sta" always returns 0. Modified return type of the
function to void.

Signed-off-by: Shobhit Kukreti <shobhitkukreti@...il.com>
---
 drivers/staging/rtl8723bs/core/rtw_ap.c        | 4 +---
 drivers/staging/rtl8723bs/include/rtw_ap.h     | 2 +-
 drivers/staging/rtl8723bs/os_dep/ioctl_linux.c | 3 ++-
 3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_ap.c b/drivers/staging/rtl8723bs/core/rtw_ap.c
index 7bebb41..87b201a 100644
--- a/drivers/staging/rtl8723bs/core/rtw_ap.c
+++ b/drivers/staging/rtl8723bs/core/rtw_ap.c
@@ -1394,10 +1394,9 @@ int rtw_acl_add_sta(struct adapter *padapter, u8 *addr)
 	return ret;
 }
 
-int rtw_acl_remove_sta(struct adapter *padapter, u8 *addr)
+void rtw_acl_remove_sta(struct adapter *padapter, u8 *addr)
 {
 	struct list_head	*plist, *phead;
-	int ret = 0;
 	struct rtw_wlan_acl_node *paclnode;
 	struct sta_priv *pstapriv = &padapter->stapriv;
 	struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
@@ -1438,7 +1437,6 @@ int rtw_acl_remove_sta(struct adapter *padapter, u8 *addr)
 
 	DBG_871X("%s, acl_num =%d\n", __func__, pacl_list->num);
 
-	return ret;
 }
 
 u8 rtw_ap_set_pairwise_key(struct adapter *padapter, struct sta_info *psta)
diff --git a/drivers/staging/rtl8723bs/include/rtw_ap.h b/drivers/staging/rtl8723bs/include/rtw_ap.h
index d6f3a3a..4a1ed9e 100644
--- a/drivers/staging/rtl8723bs/include/rtw_ap.h
+++ b/drivers/staging/rtl8723bs/include/rtw_ap.h
@@ -19,7 +19,7 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf,  int len);
 void rtw_ap_restore_network(struct adapter *padapter);
 void rtw_set_macaddr_acl(struct adapter *padapter, int mode);
 int rtw_acl_add_sta(struct adapter *padapter, u8 *addr);
-int rtw_acl_remove_sta(struct adapter *padapter, u8 *addr);
+void rtw_acl_remove_sta(struct adapter *padapter, u8 *addr);
 
 u8 rtw_ap_set_pairwise_key(struct adapter *padapter, struct sta_info *psta);
 int rtw_ap_set_group_key(struct adapter *padapter, u8 *key, u8 alg, int keyid);
diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
index 236a462..9da1fd2 100644
--- a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
+++ b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
@@ -4174,7 +4174,8 @@ static int rtw_ioctl_acl_remove_sta(struct net_device *dev, struct ieee_param *p
 		return -EINVAL;
 	}
 
-	return rtw_acl_remove_sta(padapter, param->sta_addr);
+	rtw_acl_remove_sta(padapter, param->sta_addr);
+	return 0;
 
 }
 
-- 
2.7.4