Even for signed types we have to check for bigger positive value first.
Otherwise it will be never happened.
Signed-off-by: NAndy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: NDouglas Gilbert <dgilbert@interlog.com>
Reviewed-by: NJohannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: NEwan Milne <emilne@redhat.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>