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authorLuiz Augusto von Dentz <luiz.von.dentz@intel.com>2022-10-17 15:36:23 -0700
committerLuiz Augusto von Dentz <luiz.von.dentz@intel.com>2022-11-02 14:16:09 -0700
commit5638d9ea9c01c77fc11693d48cf719bc7e88f224 (patch)
tree205ed2feaae4f41a0e7252e898113aa7cfdad7a2 /net/bluetooth
parent7c9524d929648935bac2bbb4c20437df8f9c3f42 (diff)
Bluetooth: hci_conn: Fix not restoring ISO buffer count on disconnect
When disconnecting an ISO link the controller may not generate HCI_EV_NUM_COMP_PKTS for unacked packets which needs to be restored in hci_conn_del otherwise the host would assume they are still in use and would not be able to use all the buffers available. Fixes: 26afbd826ee3 ("Bluetooth: Add initial implementation of CIS connections") Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Tested-by: Frédéric Danis <frederic.danis@collabora.com>
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/hci_conn.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 1176bad5d833..a6c12863a253 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -1067,10 +1067,21 @@ int hci_conn_del(struct hci_conn *conn)
hdev->acl_cnt += conn->sent;
} else {
struct hci_conn *acl = conn->link;
+
if (acl) {
acl->link = NULL;
hci_conn_drop(acl);
}
+
+ /* Unacked ISO frames */
+ if (conn->type == ISO_LINK) {
+ if (hdev->iso_pkts)
+ hdev->iso_cnt += conn->sent;
+ else if (hdev->le_pkts)
+ hdev->le_cnt += conn->sent;
+ else
+ hdev->acl_cnt += conn->sent;
+ }
}
if (conn->amp_mgr)