On Thu, Jul 07, 2022 at 04:53:48PM +0200, Marek Behún wrote: > From: Pali Rohár <pali@xxxxxxxxxx> > > Divisor in the register is a 17-bit wide number. > Therefore we need to clamp it on overflow. Why, what is wrong with it overflowing, what will happen if it does? > > Signed-off-by: Pali Rohár <pali@xxxxxxxxxx> > Tested-by: Marek Behún <kabel@xxxxxxxxxx> > --- > drivers/usb/serial/ftdi_sio.c | 6 ++++++ > 1 file changed, 6 insertions(+) What commit does this fix? Is it a bugfix? Can this ever happen in a device? Should it be backported?. thanks, greg k-h