From f48ee562c095e552a30b8d9cc0566a267b410f8a Mon Sep 17 00:00:00 2001
From: Pedro Nishiyama <nishiyama.pedro@gmail.com>
Date: Sat, 1 Mar 2025 03:23:00 -0300
Subject: [PATCH] Bluetooth: Disable SCO support if READ_VOICE_SETTING is
 unsupported/broken

[ Upstream commit 14d17c78a4b1660c443bae9d38c814edea506f62 ]

A SCO connection without the proper voice_setting can cause
the controller to lock up.

Signed-off-by: Pedro Nishiyama <nishiyama.pedro@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/bluetooth/hci_event.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index bc5b42fce2b8..889463340351 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -932,6 +932,9 @@ static u8 hci_cc_read_buffer_size(struct hci_dev *hdev, void *data,
 		hdev->sco_pkts = 8;
 	}
 
+	if (!read_voice_setting_capable(hdev))
+		hdev->sco_pkts = 0;
+
 	hdev->acl_cnt = hdev->acl_pkts;
 	hdev->sco_cnt = hdev->sco_pkts;