From 7f0a9c950388b5f5c08632b6e0017e8e408d6cc0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Rymanowski?= <lukasz.rymanowski@codecoup.pl>
Date: Mon, 27 Jan 2020 21:46:52 +0100
Subject: [PATCH] nimble/l2cap: Disconnect CoC when too big SDU is sent by peer

This is to satisfy PTS and we actually planned to do so anyway.
---
 nimble/host/src/ble_l2cap_coc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/nimble/host/src/ble_l2cap_coc.c b/nimble/host/src/ble_l2cap_coc.c
index f8561e1a9..329c87c77 100644
--- a/nimble/host/src/ble_l2cap_coc.c
+++ b/nimble/host/src/ble_l2cap_coc.c
@@ -199,9 +199,11 @@ ble_l2cap_coc_rx_fn(struct ble_l2cap_chan *chan)
 
         sdu_len = get_le16((*om)->om_data);
         if (sdu_len > rx->mtu) {
-            /* TODO Disconnect?*/
             BLE_HS_LOG(INFO, "error: sdu_len > rx->mtu (%d>%d)\n",
                        sdu_len, rx->mtu);
+
+            /* Disconnect peer with invalid behaviour */
+            ble_l2cap_disconnect(chan);
             return BLE_HS_EBADDATA;
         }