linux-kernel - [PATCH] Bluetooth: 6lowpan: remove unused function

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Date:   Thu, 15 Apr 2021 16:49:28 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     marcel@...tmann.org
Cc:     johan.hedberg@...il.com, luiz.dentz@...il.com, davem@...emloft.net,
        kuba@...nel.org, linux-bluetooth@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] Bluetooth: 6lowpan: remove unused function

Fix the following clang warning:

net/bluetooth/6lowpan.c:913:20: warning: unused function 'bdaddr_type'
[-Wunused-function].

net/bluetooth/6lowpan.c:106:35: warning: unused function
'peer_lookup_ba' [-Wunused-function].

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 net/bluetooth/6lowpan.c | 36 ------------------------------------
 1 file changed, 36 deletions(-)

diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index cff4944..49c2612 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -103,34 +103,6 @@ static inline bool peer_del(struct lowpan_btle_dev *dev,
 	return false;
 }
 
-static inline struct lowpan_peer *peer_lookup_ba(struct lowpan_btle_dev *dev,
-						 bdaddr_t *ba, __u8 type)
-{
-	struct lowpan_peer *peer;
-
-	BT_DBG("peers %d addr %pMR type %d", atomic_read(&dev->peer_count),
-	       ba, type);
-
-	rcu_read_lock();
-
-	list_for_each_entry_rcu(peer, &dev->peers, list) {
-		BT_DBG("dst addr %pMR dst type %d",
-		       &peer->chan->dst, peer->chan->dst_type);
-
-		if (bacmp(&peer->chan->dst, ba))
-			continue;
-
-		if (type == peer->chan->dst_type) {
-			rcu_read_unlock();
-			return peer;
-		}
-	}
-
-	rcu_read_unlock();
-
-	return NULL;
-}
-
 static inline struct lowpan_peer *
 __peer_lookup_chan(struct lowpan_btle_dev *dev, struct l2cap_chan *chan)
 {
@@ -910,14 +882,6 @@ static long chan_get_sndtimeo_cb(struct l2cap_chan *chan)
 	.set_shutdown		= l2cap_chan_no_set_shutdown,
 };
 
-static inline __u8 bdaddr_type(__u8 type)
-{
-	if (type == ADDR_LE_DEV_PUBLIC)
-		return BDADDR_LE_PUBLIC;
-	else
-		return BDADDR_LE_RANDOM;
-}
-
 static int bt_6lowpan_connect(bdaddr_t *addr, u8 dst_type)
 {
 	struct l2cap_chan *chan;
-- 
1.8.3.1