Remove the calls
mutex_lock(&conn->chan_lock);
mutex_unlock(&conn->chan_lock);
because the conn structure is no longer being referenced in
l2cap_sock_shutdown() as instead the chan->state is being used
to determince the channel connection state.
Signed-off-by: Dean Jenkins <Dean_Jenkins@xxxxxxxxxx>
---
net/bluetooth/l2cap_sock.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 78d1466..b81cb36 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1092,7 +1092,6 @@ static int l2cap_sock_shutdown(struct socket *sock, int how)
{
struct sock *sk = sock->sk;
struct l2cap_chan *chan;
- struct l2cap_conn *conn;
int err = 0;
BT_DBG("sock %p, sk %p", sock, sk);
@@ -1113,13 +1112,9 @@ static int l2cap_sock_shutdown(struct socket *sock, int how)
chan = l2cap_pi(sk)->chan;
/* prevent chan structure from being freed whilst unlocked */
l2cap_chan_hold(chan);
- conn = chan->conn;
BT_DBG("chan %p state %s", chan, state_to_string(chan->state));
- if (conn)
- mutex_lock(&conn->chan_lock);
-
l2cap_chan_lock(chan);
if (chan->mode == L2CAP_MODE_ERTM &&
@@ -1138,9 +1133,6 @@ static int l2cap_sock_shutdown(struct socket *sock, int how)
l2cap_chan_unlock(chan);
- if (conn)
- mutex_unlock(&conn->chan_lock);
-
l2cap_chan_put(chan);
sock_put(sk);
--
1.8.5.6
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