From 1d1ab5d39be7590bb2400418877bff43da9e75ec Mon Sep 17 00:00:00 2001 From: Luiz Augusto von Dentz Date: Fri, 5 Aug 2022 14:02:21 -0700 Subject: [PATCH] Bluetooth: ISO: Fix not using the correct QoS This fixes using wrong QoS settings when attempting to send frames while acting as peripheral since the QoS settings in use are stored in hconn->iso_qos not in sk->qos, this is actually properly handled on getsockopt(BT_ISO_QOS) but not on iso_send_frame. Fixes: ccf74f2390d60 ("Bluetooth: Add BTPROTO_ISO socket type") Signed-off-by: Luiz Augusto von Dentz --- net/bluetooth/iso.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c index 015d1b4..ced8ad4 100644 --- a/net/bluetooth/iso.c +++ b/net/bluetooth/iso.c @@ -373,15 +373,24 @@ done: return err; } +static struct bt_iso_qos *iso_sock_get_qos(struct sock *sk) +{ + if (sk->sk_state == BT_CONNECTED || sk->sk_state == BT_CONNECT2) + return &iso_pi(sk)->conn->hcon->iso_qos; + + return &iso_pi(sk)->qos; +} + static int iso_send_frame(struct sock *sk, struct sk_buff *skb) { struct iso_conn *conn = iso_pi(sk)->conn; + struct bt_iso_qos *qos = iso_sock_get_qos(sk); struct hci_iso_data_hdr *hdr; int len = 0; BT_DBG("sk %p len %d", sk, skb->len); - if (skb->len > iso_pi(sk)->qos.out.sdu) + if (skb->len > qos->out.sdu) return -EMSGSIZE; len = skb->len; @@ -1263,10 +1272,7 @@ static int iso_sock_getsockopt(struct socket *sock, int level, int optname, break; case BT_ISO_QOS: - if (sk->sk_state == BT_CONNECTED || sk->sk_state == BT_CONNECT2) - qos = &iso_pi(sk)->conn->hcon->iso_qos; - else - qos = &iso_pi(sk)->qos; + qos = iso_sock_get_qos(sk); len = min_t(unsigned int, len, sizeof(*qos)); if (copy_to_user(optval, qos, len)) -- 2.7.4