linux-kernel - [PATCH v2 3/3] staging: r8188eu: Remove no more used variable and function

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Date:   Mon, 16 Aug 2021 20:05:40 +0200
From:   "Fabio M. De Francesco" <fmdefrancesco@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Martin Kaiser <martin@...ser.cx>,
        Michael Straube <straube.linux@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Cc:     "Fabio M. De Francesco" <fmdefrancesco@...il.com>
Subject: [PATCH v2 3/3] staging: r8188eu: Remove no more used variable and function

Remove the 'sender' pointer to integer. Remove
__nat25_db_network_lookup_and_replace(). Following the deletion of the
code related to the NAT25_LOOKUP method, they are no more needed.

Signed-off-by: Fabio M. De Francesco <fmdefrancesco@...il.com>
---

v2: Rebased against latest version of Greg K-H's tree.

 drivers/staging/r8188eu/core/rtw_br_ext.c | 52 +----------------------
 1 file changed, 1 insertion(+), 51 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_br_ext.c b/drivers/staging/r8188eu/core/rtw_br_ext.c
index 0402f48319c4..ee52f28a1e56 100644
--- a/drivers/staging/r8188eu/core/rtw_br_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_br_ext.c
@@ -295,56 +295,6 @@ static void __network_hash_unlink(struct nat25_network_db_entry *ent)
 	ent->pprev_hash = NULL;
 }
 
-static int __nat25_db_network_lookup_and_replace(struct adapter *priv,
-				struct sk_buff *skb, unsigned char *networkAddr)
-{
-	struct nat25_network_db_entry *db;
-
-	spin_lock_bh(&priv->br_ext_lock);
-
-	db = priv->nethash[__nat25_network_hash(networkAddr)];
-	while (db) {
-		if (!memcmp(db->networkAddr, networkAddr, MAX_NETWORK_ADDR_LEN)) {
-			if (!__nat25_has_expired(priv, db)) {
-				/*  replace the destination mac address */
-				memcpy(skb->data, db->macAddr, ETH_ALEN);
-				atomic_inc(&db->use_count);
-
-				DEBUG_INFO("NAT25: Lookup M:%02x%02x%02x%02x%02x%02x N:%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
-							"%02x%02x%02x%02x%02x%02x\n",
-					db->macAddr[0],
-					db->macAddr[1],
-					db->macAddr[2],
-					db->macAddr[3],
-					db->macAddr[4],
-					db->macAddr[5],
-					db->networkAddr[0],
-					db->networkAddr[1],
-					db->networkAddr[2],
-					db->networkAddr[3],
-					db->networkAddr[4],
-					db->networkAddr[5],
-					db->networkAddr[6],
-					db->networkAddr[7],
-					db->networkAddr[8],
-					db->networkAddr[9],
-					db->networkAddr[10],
-					db->networkAddr[11],
-					db->networkAddr[12],
-					db->networkAddr[13],
-					db->networkAddr[14],
-					db->networkAddr[15],
-					db->networkAddr[16]);
-			}
-			spin_unlock_bh(&priv->br_ext_lock);
-			return 1;
-		}
-		db = db->next_hash;
-	}
-	spin_unlock_bh(&priv->br_ext_lock);
-	return 0;
-}
-
 static void __nat25_db_network_insert(struct adapter *priv,
 				unsigned char *macAddr, unsigned char *networkAddr)
 {
@@ -493,7 +443,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
 		/*---------------------------------------------------*/
 		struct arphdr *arp = (struct arphdr *)(skb->data + ETH_HLEN);
 		unsigned char *arp_ptr = (unsigned char *)(arp + 1);
-		unsigned int *sender, *target;
+		unsigned int *sender;
 
 		if (arp->ar_pro != __constant_htons(ETH_P_IP)) {
 			DEBUG_WARN("NAT25: arp protocol unknown (%4x)!\n", be16_to_cpu(arp->ar_pro));
-- 
2.32.0