On Mon, 2022-01-17 at 09:28 +0800, kernel test robot wrote: > drivers/clocksource/timer-realtek-otto.c: In function 'otto_tc_init': > drivers/clocksource/timer-realtek-otto.c:182:16: error: implicit > declaration of function 'kzalloc'; did you mean 'd_alloc'? [-Werror=implicit- > function-declaration] > 182 | ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL); > | ^~~~~~~ > | d_alloc > > > drivers/clocksource/timer-realtek-otto.c:182:14: warning: assignment to > > > 'struct otto_tc_ctrl *' from 'int' makes pointer from integer without a > > > cast [-Wint-conversion] > 182 | ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL); > | ^ > drivers/clocksource/timer-realtek-otto.c:212:9: error: implicit declaration > of function 'kfree' [-Werror=implicit-function-declaration] > 212 | kfree(ctrl); > | ^~~~~ > cc1: some warnings being treated as errors > > > vim +182 drivers/clocksource/timer-realtek-otto.c > > 176 > 177 static int __init otto_tc_init(struct device_node *node) > 178 { > 179 struct otto_tc_ctrl *ctrl; > 180 int err; > 181 > > 182 ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL); I'll include linux/slab.h in v2. Best, Sander