raspi/linux
1
0
Fork 1
mirror of https://github.com/raspberrypi/linux.git synced 2025-12-06 01:49:46 +00:00
Code Issues Projects Releases Wiki Activity

Bluetooth: ISO: Don't initiate CIS connections if there are no buffers

Browse Source 
If the controller has no buffers left return -ENOBUFF to indicate that
iso_cnt might be out of sync.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Luiz Augusto von Dentz
2025-06-27 11:18:29 -04:00
parent 8183c8ea87
commit d79c7d01f1
1 changed files with 7 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
net/bluetooth/iso.c
View File

@@ -458,6 +458,13 @@ static int iso_connect_cis(struct sock *sk)
goto unlock;
}
/* Check if there are available buffers for output/TX. */
if (iso_pi(sk)->qos.ucast.out.sdu && !hci_iso_count(hdev) &&
(hdev->iso_pkts && !hdev->iso_cnt)) {
err = -ENOBUFS;
goto unlock;
}
/* Just bind if DEFER_SETUP has been set */
if (test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
hcon = hci_bind_cis(hdev, &iso_pi(sk)->dst,