Am Donnerstag, 20. August 2020, 13:46:49 CEST schrieb kernel test robot: Hi, > All warnings (new ones prefixed by >>): > >> drivers/char/lrng/lrng_interfaces.c:120:6: warning: no previous prototype > >> for 'add_hwgenerator_randomness' [-Wmissing-prototypes] > 120 | void add_hwgenerator_randomness(const char *buffer, size_t count, > | ^~~~~~~~~~~~~~~~~~~~~~~~~~ Thank you, added <linux/hw_random.h> > >> > >> drivers/char/lrng/lrng_interfaces.c:297:6: warning: no previous prototype > >> for 'get_random_bytes_full' [-Wmissing-prototypes] > 297 | void get_random_bytes_full(void *buf, int nbytes) > > | ^~~~~~~~~~~~~~~~~~~~~ > Thanks, added prototype to header file. Ciao Stephan