From 809db88e92767272ba1999e6e7e81e0a219627fc Mon Sep 17 00:00:00 2001
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date: Wed, 25 Aug 2021 08:58:07 -0700
Subject: [PATCH] shared/att: Fix accepting Exchange MTU on EATT bearer

If remote send Exchange MTU it shall fail as the MTU negotiation shall
happen over L2CAP signalling not ATT for those channels.
---
 src/shared/att.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/shared/att.c b/src/shared/att.c
index ccc753c4e..665d7f4b8 100644
--- a/src/shared/att.c
+++ b/src/shared/att.c
@@ -962,7 +962,8 @@ static void handle_notify(struct bt_att_chan *chan, uint8_t *pdu,
 		 * link since the MTU size is negotiated using L2CAP channel
 		 * configuration procedures.
 		 */
-		if (bt_att_get_link_type(att) == BT_ATT_BREDR) {
+		if (bt_att_get_link_type(att) == BT_ATT_BREDR ||
+				chan->type == BT_ATT_EATT) {
 			switch (opcode) {
 			case BT_ATT_OP_MTU_REQ:
 				goto not_supported;
-- 
2.47.3