diff options
| -rw-r--r-- | drivers/usb/serial/io_ti.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index ceaeebaa6f90..4561dd4cde8b 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -1674,6 +1674,12 @@ static void edge_interrupt_callback(struct urb *urb) function = TIUMP_GET_FUNC_FROM_CODE(data[0]); dev_dbg(dev, "%s - port_number %d, function %d, info 0x%x\n", __func__, port_number, function, data[1]); + + if (port_number >= edge_serial->serial->num_ports) { + dev_err(dev, "bad port number %d\n", port_number); + goto exit; + } + port = edge_serial->serial->port[port_number]; edge_port = usb_get_serial_port_data(port); if (!edge_port) { |