The Exchange MTU procedure should only be performed over LE links,
we are using the check of the Channel ID used to verify this.
---
profiles/gatt/gas.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/profiles/gatt/gas.c b/profiles/gatt/gas.c
index 74ca9ce..f873121 100644
--- a/profiles/gatt/gas.c
+++ b/profiles/gatt/gas.c
@@ -326,7 +326,8 @@ static void attio_connected_cb(GAttrib *attrib, gpointer user_data)
io = g_attrib_get_channel(attrib);
if (bt_io_get(io, &gerr, BT_IO_OPT_IMTU, &imtu,
- BT_IO_OPT_CID, &cid, BT_IO_OPT_INVALID)) {
+ BT_IO_OPT_CID, &cid, BT_IO_OPT_INVALID) &&
+ cid == ATT_CID) {
gatt_exchange_mtu(gas->attrib, imtu, exchange_mtu_cb, gas);
gas->mtu = imtu;
DBG("MTU Exchange: Requesting %d", imtu);
--
1.7.12.3
--
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