diff options
Diffstat (limited to 'drivers/usb/serial/keyspan.c')
| -rw-r--r-- | drivers/usb/serial/keyspan.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index 3d92394aba3..025310bc358 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -741,14 +741,15 @@ static void usa49wg_indat_callback(struct urb *urb) if ((data[i] & 0x80) == 0) { /* no error on any byte */ i++; - for (x = 1; x < len ; ++x) + for (x = 1; x < len && i < urb->actual_length; ++x) tty_insert_flip_char(&port->port, data[i++], 0); } else { /* * some bytes had errors, every byte has status */ - for (x = 0; x + 1 < len; x += 2) { + for (x = 0; x + 1 < len && + i + 1 < urb->actual_length; x += 2) { int stat = data[i], flag = 0; if (stat & RXERROR_OVERRUN) |