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[PATCH] USB: console: fix cr/lf issues

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Append Carriage-Returns after Line-Feeds, analogous to the serial driver.

From: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Paul Fulghum 2006-04-13 22:26:35 +02:00 • committed by Greg Kroah-Hartman
parent 01cced2507
commit c10746dbb3
1 changed files with 30 additions and 9 deletions
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33
drivers/usb/serial/console.c
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@ -213,17 +213,38 @@ static void usb_console_write(struct console *co, const char *buf, unsigned coun
if (!port->open_count) { if (!port->open_count) {
dbg ("%s - port not opened", __FUNCTION__); dbg ("%s - port not opened", __FUNCTION__);
goto exit; return;
} }
while (count) {
unsigned int i;
unsigned int lf;
/* search for LF so we can insert CR if necessary */
for (i=0, lf=0 ; i < count ; i++) {
if (*(buf + i) == 10) {
lf = 1;
i++;
break;
}
}
/* pass on to the driver specific version of this function if it is available */ /* pass on to the driver specific version of this function if it is available */
if (serial->type->write) if (serial->type->write)
retval = serial->type->write(port, buf, count); retval = serial->type->write(port, buf, i);
else else
retval = usb_serial_generic_write(port, buf, count); retval = usb_serial_generic_write(port, buf, i);
dbg("%s - return value : %d", __FUNCTION__, retval);
exit: if (lf) {
dbg("%s - return value (if we had one): %d", __FUNCTION__, retval); /* append CR after LF */
unsigned char cr = 13;
if (serial->type->write)
retval = serial->type->write(port, &cr, 1);
else
retval = usb_serial_generic_write(port, &cr, 1);
dbg("%s - return value : %d", __FUNCTION__, retval);
}
buf += i;
count -= i;
}
} }
static struct console usbcons = { static struct console usbcons = {