On Tue, 12 Jul 2022 13:28:17 +0200 m.brock@xxxxxxxxxxxxx wrote: > Andy Shevchenko schreef op 2022-07-08 17:51: > >> + baud = old_baud ? old_baud : 9600; > > > > Can be written as > > > > baud = old_baud ?: 9600; > > That is invalid C ! > This is a GCC extension. Kernel is saturated with usage of GCC extensions.