Bluetooth: Remove sk_backlog usage from L2CAP

We run everything in the same lock now. The backlog queue is useless now

Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

1 files changed, 1 insertions, 11 deletions

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index ed67ac0ca21c..31c94fd31611 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1960,8 +1960,6 @@ static void l2cap_ack_timeout(struct work_struct *work)
 
 static inline void l2cap_ertm_init(struct l2cap_chan *chan)
 {
-        struct sock *sk = chan->sk;
-
         chan->expected_ack_seq = 0;
         chan->unacked_frames = 0;
         chan->buffer_seq = 0;
@@ -1975,9 +1973,6 @@ static inline void l2cap_ertm_init(struct l2cap_chan *chan)
         skb_queue_head_init(&chan->srej_q);
 
         INIT_LIST_HEAD(&chan->srej_l);
-
-
-        sk->sk_backlog_rcv = l2cap_ertm_data_rcv;
 }
 
 static inline __u8 l2cap_select_mode(__u8 mode, __u16 remote_feat_mask)
@@ -4203,12 +4198,7 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk
                 break;
 
         case L2CAP_MODE_ERTM:
-                if (!sock_owned_by_user(sk)) {
-                        l2cap_ertm_data_rcv(sk, skb);
-                } else {
-                        if (sk_add_backlog(sk, skb))
-                                goto drop;
-                }
+                l2cap_ertm_data_rcv(sk, skb);
 
                 goto done;