On Thu, Aug 03, 2023 at 10:20:53PM +0800, Li Zetao wrote: > There is a warning reported by coccinelle: > > ./drivers/tty/serial/8250/8250_men_mcb.c:226:6-19: WARNING: > Unsigned expression compared with zero: data -> line [ i ] < 0 > > The array "line" of serial_8250_men_mcb_data is used to record the > registered serial port. When register a port failed, it will return > an error code, but the type of "line" is "unsigned int", causing > the error code to reverse. Modify the type of "data -> line" to solve > this problem. Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> -- With Best Regards, Andy Shevchenko