Bluetooth: Add unlocked __l2cap_chan_add function

Add unlocked L2CAP channel add function. Unlocked version will
be used in later patches.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Reviewed-by: Ulisses Furquim <ulisses@profusion.mobi>
Acked-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index c0640b73c628..0e4f4cb2acbb 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -300,7 +300,7 @@ void l2cap_chan_destroy(struct l2cap_chan *chan)
         l2cap_chan_put(chan);
 }
 
-static void l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
+void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
 {
         BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn,
                         chan->psm, chan->dcid);
@@ -346,8 +346,13 @@ static void l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
 
         l2cap_chan_hold(chan);
 
-        mutex_lock(&conn->chan_lock);
         list_add(&chan->list, &conn->chan_l);
+}
+
+void l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
+{
+        mutex_lock(&conn->chan_lock);
+        __l2cap_chan_add(conn, chan);
         mutex_unlock(&conn->chan_lock);
 }