Fix reporting of overrun errors, which are not associated with a
character. Instead insert a null character and report only once.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable <sta...@vger.kernel.org>
Signed-off-by: Johan Hovold <jo...@kernel.org>
---
 drivers/usb/serial/keyspan.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 7799d8bc4a63..077c714f1285 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -311,12 +311,13 @@ static void       usa26_indat_callback(struct urb *urb)
                if ((data[0] & 0x80) == 0) {
                        /* no errors on individual bytes, only
                           possible overrun err */
-                       if (data[0] & RXERROR_OVERRUN)
-                               err = TTY_OVERRUN;
-                       else
-                               err = 0;
+                       if (data[0] & RXERROR_OVERRUN) {
+                               tty_insert_flip_char(&port->port, 0,
+                                                               TTY_OVERRUN);
+                       }
                        for (i = 1; i < urb->actual_length ; ++i)
-                               tty_insert_flip_char(&port->port, data[i], err);
+                               tty_insert_flip_char(&port->port, data[i],
+                                                               TTY_NORMAL);
                } else {
                        /* some bytes had errors, every byte has status */
                        dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__);
@@ -787,13 +788,13 @@ static void usa90_indat_callback(struct urb *urb)
                        if ((data[0] & 0x80) == 0) {
                                /* no errors on individual bytes, only
                                   possible overrun err*/
-                               if (data[0] & RXERROR_OVERRUN)
-                                       err = TTY_OVERRUN;
-                               else
-                                       err = 0;
+                               if (data[0] & RXERROR_OVERRUN) {
+                                       tty_insert_flip_char(&port->port, 0,
+                                                               TTY_OVERRUN);
+                               }
                                for (i = 1; i < urb->actual_length ; ++i)
                                        tty_insert_flip_char(&port->port,
-                                                       data[i], err);
+                                                       data[i], TTY_NORMAL);
                        }  else {
                        /* some bytes had errors, every byte has status */
                                dev_dbg(&port->dev, "%s - RX error!!!!\n", 
__func__);
-- 
2.0.4

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