USB: omninet: fix write_room

Fix regression introduced by commit 507ca9bc047666 ([PATCH] USB: add
ability for usb-serial drivers to determine if their write urb is
currently being used.) which inverted the logic in write_room so that it
returns zero when the write urb is actually free.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index 6d7c56d..6e97664 100644 (file)
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -290,7 +290,7 @@ static int omninet_write_room(struct tty_struct *tty)
        int room = 0; /* Default: no room */
 
        /* FIXME: no consistent locking for write_urb_busy */
-       if (wport->write_urb_busy)
+       if (!wport->write_urb_busy)
                room = wport->bulk_out_size - OMNINET_HEADERLEN;
 
        dbg("%s - returns %d", __func__, room);