diff options
| author | Johan Hovold <johan@kernel.org> | 2014-11-18 11:25:20 +0100 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2014-12-06 15:18:15 +0100 |
| commit | 7f293483b05b6f3472942b9c733daaf05ec2115e (patch) | |
| tree | 67098b95c3d4c7ca973cda228beffc6d0ff017f2 /drivers/usb | |
| parent | 6aac77da2f675a7b47ef4a48a0f58a3d3d2c0026 (diff) | |
USB: keyspan: fix overrun-error reporting
commit 855515a6d3731242d85850a206f2ec084c917338 upstream.
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")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/serial/keyspan.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index d6960aebe246..7053e0a9bb05 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -312,12 +312,13 @@ 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__); @@ -791,13 +792,13 @@ 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__); |