On Tue, 26 Jan 2016, Chris Bainbridge wrote: > Booting 4.5.0-rc1 with new UBSAN checker enabled: > > [ 4.556968] ================================================================================ > [ 4.556972] UBSAN: Undefined behaviour in drivers/usb/core/devio.c:1517:25 > [ 4.556975] shift exponent -1 is negative Does a left shift by a negative amount matter if the result isn't used? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html