This got missed originally as it is marked BROKEN_ON_SMP (I can't see
why however). Updated and compile tested. I don't have hardware
Signed-off-by: Alan Cox <[email protected]>
--- ../linux.vanilla-2.6.13-rc6-mm2/drivers/usb/serial/whiteheat.c 2005-08-25 17:04:32.000000000 +0100
+++ drivers/usb/serial/whiteheat.c 2005-09-06 14:50:38.000000000 +0100
@@ -1430,7 +1430,9 @@
urb = wrap->urb;
if (tty && urb->actual_length) {
- if (urb->actual_length > TTY_FLIPBUF_SIZE - tty->flip.count) {
+ int len = tty_buffer_request_room(tty, urb->actual_length);
+ /* This stuff can go away now I suspect */
+ if (unlikely(len < urb->actual_length)) {
spin_lock_irqsave(&info->lock, flags);
list_add(tmp, &info->rx_urb_q);
spin_unlock_irqrestore(&info->lock, flags);
@@ -1438,11 +1440,8 @@
schedule_work(&info->rx_work);
return;
}
-
- memcpy(tty->flip.char_buf_ptr, urb->transfer_buffer, urb->actual_length);
- tty->flip.char_buf_ptr += urb->actual_length;
- tty->flip.count += urb->actual_length;
- sent += urb->actual_length;
+ tty_insert_flip_string(tty, urb->transfer_buffer, len);
+ sent += len;
}
urb->dev = port->serial->dev;
-
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