diff options
| -rw-r--r-- | drivers/usb/serial/generic.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index fcd30b841559..a817ced82835 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -324,6 +324,9 @@ void usb_serial_generic_process_read_urb(struct urb *urb) char *ch = (char *)urb->transfer_buffer; int i; + if (!urb->actual_length) + return; + tty = tty_port_tty_get(&port->port); if (!tty) return; |