Bluetooth: Host: Handle err in l2cap_chan_sdu_sent and l2cap_chan_seg_sent

The error will be propagated to the higher levels.

Signed-off-by: Herman Berget <[email protected]>

Author: hermabe

subsys/bluetooth/host/l2cap.c

@@ -1849,22 +1849,28 @@ static void l2cap_chan_sdu_sent(struct bt_conn *conn, void *user_data, int err)
 {
 	struct l2cap_tx_meta_data *data = user_data;
 	struct bt_l2cap_chan *chan;
-	bt_conn_tx_cb_t cb;
-	void *cb_user_data;
+	bt_conn_tx_cb_t cb = data->cb;
+	void *cb_user_data = data->user_data;
+	uint16_t cid = data->cid;
 
-	BT_DBG("conn %p CID 0x%04x", conn, data->cid);
+	BT_DBG("conn %p CID 0x%04x err %d", conn, cid, err);
 
-	chan = bt_l2cap_le_lookup_tx_cid(conn, data->cid);
+	free_tx_meta_data(data);
+
+	if (err) {
+		if (cb) {
+			cb(conn, cb_user_data, err);
+		}
+
+		return;
+	}
+
+	chan = bt_l2cap_le_lookup_tx_cid(conn, cid);
 	if (!chan) {
 		/* Received SDU sent callback for disconnected channel */
 		return;
 	}
 
-	cb = data->cb;
-	cb_user_data = data->user_data;
-
-	free_tx_meta_data(data);
-
 	if (chan->ops->sent) {
 		chan->ops->sent(chan);
 	}
@@ -1881,7 +1887,11 @@ static void l2cap_chan_seg_sent(struct bt_conn *conn, void *user_data, int err)
 	struct l2cap_tx_meta_data *data = user_data;
 	struct bt_l2cap_chan *chan;
 
-	BT_DBG("conn %p CID 0x%04x", conn, data->cid);
+	BT_DBG("conn %p CID 0x%04x err %d", conn, data->cid, err);
+
+	if (err) {
+		return;
+	}
 
 	chan = bt_l2cap_le_lookup_tx_cid(conn, data->cid);
 	if (!chan) {