6.12-stable review patch. If anyone has any objections, please let me know.
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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 bc5b42fce2b80..8894633403519 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;