From: Gustavo Padovan <gustavo@padovan.org>
Date: Sun, 25 Mar 2012 16:59:16 +0000 (-0300)
Subject: Bluetooth: Remove sk parameter from l2cap_chan_create()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=eef1d9b668c51dcae58d8bb41ce0c805f866dbbd;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

Bluetooth: Remove sk parameter from l2cap_chan_create()

Following the separation if core and sock code this change avoid
manipulation of sk inside l2cap_chan_create().

Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
---

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index c988df6f63bf..f6f0500bf370 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -906,7 +906,7 @@ int __l2cap_wait_ack(struct sock *sk);
 int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm);
 int l2cap_add_scid(struct l2cap_chan *chan,  __u16 scid);
 
-struct l2cap_chan *l2cap_chan_create(struct sock *sk);
+struct l2cap_chan *l2cap_chan_create(void);
 void l2cap_chan_close(struct l2cap_chan *chan, int reason);
 void l2cap_chan_destroy(struct l2cap_chan *chan);
 int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 8a3de1149352..a57d96afa245 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -262,7 +262,7 @@ static void l2cap_chan_timeout(struct work_struct *work)
 	l2cap_chan_put(chan);
 }
 
-struct l2cap_chan *l2cap_chan_create(struct sock *sk)
+struct l2cap_chan *l2cap_chan_create(void)
 {
 	struct l2cap_chan *chan;
 
@@ -272,8 +272,6 @@ struct l2cap_chan *l2cap_chan_create(struct sock *sk)
 
 	mutex_init(&chan->lock);
 
-	chan->sk = sk;
-
 	write_lock(&chan_list_lock);
 	list_add(&chan->global_l, &chan_list);
 	write_unlock(&chan_list_lock);
@@ -284,7 +282,7 @@ struct l2cap_chan *l2cap_chan_create(struct sock *sk)
 
 	atomic_set(&chan->refcnt, 1);
 
-	BT_DBG("sk %p chan %p", sk, chan);
+	BT_DBG("chan %p", chan);
 
 	return chan;
 }
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 29122ed28ea9..53e563f01723 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1048,12 +1048,14 @@ static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int p
 	sk->sk_protocol = proto;
 	sk->sk_state = BT_OPEN;
 
-	chan = l2cap_chan_create(sk);
+	chan = l2cap_chan_create();
 	if (!chan) {
 		l2cap_sock_kill(sk);
 		return NULL;
 	}
 
+	chan->sk = sk;
+
 	l2cap_pi(sk)->chan = chan;
 
 	return sk;