USB: ftdi_sio: use error code from usb stack in read_latency_timer

Use same semantics as for write_latency_timer.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Johan Hovold 2009-12-24 12:42:07 +01:00 • committed by Greg Kroah-Hartman
commit 4357369d02