This is a note to let you know that I've just added the patch titled Bluetooth: ISO: Don't reject BT_ISO_QOS if parameters are unset to the 6.6-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: bluetooth-iso-don-t-reject-bt_iso_qos-if-parameters-.patch and it can be found in the queue-6.6 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 8cfe88f24d4faeaf80baccb5d2d680dfb2d62e9f Author: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> Date: Wed Mar 13 15:43:18 2024 -0400 Bluetooth: ISO: Don't reject BT_ISO_QOS if parameters are unset [ Upstream commit b37cab587aa3c9ab29c6b10aa55627dad713011f ] Consider certain values (0x00) as unset and load proper default if an application has not set them properly. Fixes: 0fe8c8d07134 ("Bluetooth: Split bt_iso_qos into dedicated structures") Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c index 698d0b67c7ed4..2f63ea9e62ecd 100644 --- a/net/bluetooth/iso.c +++ b/net/bluetooth/iso.c @@ -1301,8 +1301,8 @@ static bool check_ucast_qos(struct bt_iso_qos *qos) static bool check_bcast_qos(struct bt_iso_qos *qos) { - if (qos->bcast.sync_factor == 0x00) - return false; + if (!qos->bcast.sync_factor) + qos->bcast.sync_factor = 0x01; if (qos->bcast.packing > 0x01) return false; @@ -1325,6 +1325,9 @@ static bool check_bcast_qos(struct bt_iso_qos *qos) if (qos->bcast.skip > 0x01f3) return false; + if (!qos->bcast.sync_timeout) + qos->bcast.sync_timeout = BT_ISO_SYNC_TIMEOUT; + if (qos->bcast.sync_timeout < 0x000a || qos->bcast.sync_timeout > 0x4000) return false; @@ -1334,6 +1337,9 @@ static bool check_bcast_qos(struct bt_iso_qos *qos) if (qos->bcast.mse > 0x1f) return false; + if (!qos->bcast.timeout) + qos->bcast.sync_timeout = BT_ISO_SYNC_TIMEOUT; + if (qos->bcast.timeout < 0x000a || qos->bcast.timeout > 0x4000) return false;