USB: omninet: fix write_room

Fix regression introduced by commit 507ca9bc04 ([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>
This commit is contained in:
Johan Hovold 2011-11-06 19:06:21 +01:00 committed by Greg Kroah-Hartman
parent 14b54e39b4
commit 694c6301e5

View File

@ -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);