Andy Shevchenko wrote: > On Tue, 2016-04-26 at 16:40 +0200, David Müller wrote: >> Since commit 21947ba654 (serial: 8250_pci: replace switch-case by >> formula), the 8250 driver crashes in the byt_set_termios() function >> with a divide error. >> This is caused by the fact that a baud rate of 0 (B0) >> is not handled properly. > > Please, add that you fall back to 9600 in this case. > > You may add Fixes tag as well as Cc to stable@ if needed. Ok, I will change the wording of the commit message and add the Fixes and Cc tags as desired. >> + /* gracefully handle the B0 case */ > > Capital letter first. > > /* Gracefully handle the B0 case: fall back to B9600 */ I think this is a bit misleading. The baud rate is not changed, we just make sure that the UART input clock is within acceptable limits. -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html