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From: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
To: linux-bluetooth@vger.kernel.org
Subject: [PATCH v1] Bluetooth: ISO: Don't reject BT_ISO_QOS if parameters are unset
Date: Wed, 13 Mar 2024 15:43:18 -0400
Message-ID: <20240313194318.1397153-1-luiz.dentz@gmail.com>
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From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

Consider certain values (0x00) as unset and load proper default if
an application has not set them properly.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
 net/bluetooth/iso.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index c8793e57f4b5..d24148ea883c 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -1451,8 +1451,8 @@ 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;
@@ -1475,6 +1475,9 @@ 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;
 
@@ -1484,6 +1487,9 @@ 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;
 
-- 
2.43.0