I got a warning when compile kernel: arch/arm/probes/kprobes/core.c:465:12: warning: old-style function definition [-Wold-style-definition] 465 | int __init arch_init_kprobes() | ^~~~~~~~~~~~~~~~~ Fix it by add parameter 'void'. Signed-off-by: Shixin Liu <liushixin2@xxxxxxxxxx> --- arch/arm/probes/kprobes/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/probes/kprobes/core.c b/arch/arm/probes/kprobes/core.c index a9653117ca0d..e513d8a46776 100644 --- a/arch/arm/probes/kprobes/core.c +++ b/arch/arm/probes/kprobes/core.c @@ -462,7 +462,7 @@ static struct undef_hook kprobes_arm_break_hook = { #endif /* !CONFIG_THUMB2_KERNEL */ -int __init arch_init_kprobes() +int __init arch_init_kprobes(void) { arm_probes_decode_init(); #ifdef CONFIG_THUMB2_KERNEL -- 2.25.1