[PATCH BlueZ 1/3] shared/att: Fix accepting Exchange MTU on EATT bearer
From: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Date: 2021-08-25 21:14:22
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Luiz Augusto von Dentz <redacted> 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;
--
2.31.1