On Thu, Aug 03, 2023 at 04:47:53PM +0800, Jiapeng Chong wrote: > The data->line[i] is defined as unsigned int type, if(data->line[i] < 0) > is invalid, so replace data->line[i] with res. > > ./drivers/tty/serial/8250/8250_men_mcb.c:223:6-19: WARNING: Unsigned expression compared with zero: data->line[i] < 0. Having WARNING: Unsigned expression compared with zero: data->line[i] < 0. is enough. Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> -- With Best Regards, Andy Shevchenko
