From: Pedro Nishiyama nishiyama.pedro@gmail.com
[ 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 20d3cdcb14f6c..fa318f9ef40ec 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -930,6 +930,9 @@ 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;