Use the proper macro instead of hard-coded (-1) value.
Suggested-by: Krzysztof Wilczyński <kw@linux.com>
Reviewed-by: Krzysztof Wilczyński <kw@linux.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Link: https://lore.kernel.org/r/20211004133453.18881-2-mgurtovoy@nvidia.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>