Bluetooth: clean up l2cap code

Do not initialize static vars to zero, macros with complex values
shall be enclosed with (), remove unneeded braces.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index c819c8b..217bb91 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -417,11 +417,11 @@
 	return sub == pi->remote_tx_win;
 }
 
-#define __get_txseq(ctrl) ((ctrl) & L2CAP_CTRL_TXSEQ) >> 1
-#define __get_reqseq(ctrl) ((ctrl) & L2CAP_CTRL_REQSEQ) >> 8
-#define __is_iframe(ctrl) !((ctrl) & L2CAP_CTRL_FRAME_TYPE)
-#define __is_sframe(ctrl) (ctrl) & L2CAP_CTRL_FRAME_TYPE
-#define __is_sar_start(ctrl) ((ctrl) & L2CAP_CTRL_SAR) == L2CAP_SDU_START
+#define __get_txseq(ctrl)	(((ctrl) & L2CAP_CTRL_TXSEQ) >> 1)
+#define __get_reqseq(ctrl)	(((ctrl) & L2CAP_CTRL_REQSEQ) >> 8)
+#define __is_iframe(ctrl)	(!((ctrl) & L2CAP_CTRL_FRAME_TYPE))
+#define __is_sframe(ctrl)	((ctrl) & L2CAP_CTRL_FRAME_TYPE)
+#define __is_sar_start(ctrl)	(((ctrl) & L2CAP_CTRL_SAR) == L2CAP_SDU_START)
 
 void l2cap_load(void);