[nrf fromtree] usb: device_next: bt_hci: do not take semaphore if transfer enqueue fail

Do not take semaphore if transfer enqueue fails.

Signed-off-by: Johann Fischer <[email protected]>
(cherry picked from commit d2e42c9)

Author: jfischer-no

subsys/usb/device_next/class/bt_hci.c

@@ -189,8 +189,12 @@ static void bt_hci_tx_sync_in(struct usbd_class_data *const c_data,
 	}
 
 	net_buf_add_mem(buf, bt_buf->data, bt_buf->len);
-	usbd_ep_enqueue(c_data, buf);
-	k_sem_take(&hci_data->sync_sem, K_FOREVER);
+	if (usbd_ep_enqueue(c_data, buf)) {
+		LOG_ERR("Failed to enqueue transfer");
+	} else {
+		k_sem_take(&hci_data->sync_sem, K_FOREVER);
+	}
+
 	net_buf_unref(buf);
 }