commit ba13c9914119e6fea0006761af52fa0cc9bdb790
author Vinayak Kariappa Chettimada <vich@nordicsemi.no> Wed Dec 06 15:25:03 2017 +0100
committer Kumar Gala <kumar.gala@gmail.com> Wed Dec 06 11:30:42 2017 -0600
tree 62df4ad1a5cf0f9d9baa5fdf4b272ff5f8b43099
parent b7fa4f1e297be54056dee722fff64df3ae04b555

Bluetooth: controller: Fix conn param req initiation check

Fixed the check related to initiating connection parameter
request procedure. This will avoid sending invalid repeated
dispatch of connection parameter request PDU.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>

subsys/bluetooth/controller/ll_sw/ctrl.c

diff --git a/subsys/bluetooth/controller/ll_sw/ctrl.c b/subsys/bluetooth/controller/ll_sw/ctrl.c
index 719d718..d7cec94 100644
--- a/subsys/bluetooth/controller/ll_sw/ctrl.c
+++ b/subsys/bluetooth/controller/ll_sw/ctrl.c
@@ -8912,6 +8912,12 @@
 		return 1;
 	}
 
+#if defined(CONFIG_BT_CTLR_CONN_PARAM_REQ)
+	if (conn->llcp_conn_param.req != conn->llcp_conn_param.ack) {
+		return 1;
+	}
+#endif /* CONFIG_BT_CTLR_CONN_PARAM_REQ */
+
 	if (!conn->role) {
 		conn->llcp.conn_upd.win_size = 1;
 		conn->llcp.conn_upd.win_offset_us = 0;
@@ -8945,7 +8951,7 @@
 		conn->llcp_conn_param.ack--;
 
 		return 0;
-#endif /* !CONFIG_BT_CTLR_CONN_PARAM_REQ */
+#endif /* CONFIG_BT_CTLR_CONN_PARAM_REQ */
 
 	}