Since 'value' is declared as unsigned long, the following statement is
always false.
	value < 0
So let's remove it.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
                if (!battery_info.batteries[battery].start_support)
                        return -ENODEV;
                /* valid values are [0, 99] */
-               if (value < 0 || value > 99)
+               if (value > 99)
                        return -EINVAL;
                if (value > battery_info.batteries[battery].charge_stop)
                        return -EINVAL;