Bluetooth: Use struct list_head for L2CAP channels list

Use a well known Kernel API is always a good idea than implement your own
list.
In the future we might use RCU on this list.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

1 files changed, 3 insertions, 9 deletions

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 6378bcc94e2b..ddf4bc56a5b5 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -277,16 +277,9 @@ struct l2cap_conn_param_update_rsp {
 #define L2CAP_CONN_PARAM_REJECTED       0x0001
 
 /* ----- L2CAP channels and connections ----- */
-
 struct l2cap_chan {
         struct sock *sk;
-        struct l2cap_chan       *next_c;
-        struct l2cap_chan       *prev_c;
-};
-
-struct l2cap_chan_list {
-        struct l2cap_chan *head;
-        rwlock_t        lock;
+        struct list_head list;
 };
 
 struct l2cap_conn {
@@ -312,7 +305,8 @@ struct l2cap_conn {
 
         __u8            disc_reason;
 
-        struct l2cap_chan_list chan_list;
+        struct list_head chan_l;
+        rwlock_t        chan_lock;
 };
 
 struct sock_del_list {