On Wed, Oct 14 2020 at 22:36, kernel test robot wrote: > drivers/media/usb/cx231xx/cx231xx-vbi.c: In function 'cx231xx_init_vbi_isoc': >>> drivers/media/usb/cx231xx/cx231xx-vbi.c:411:5: warning: format '%s' expects a matching 'char *' argument [-Wformat=] > 411 | "unable to allocate %i bytes for transfer buffer %i%s\n", Duh.