kernel/bpf/helpers.c:1030:29: warning: symbol 'bpf_timer_init_proto' was not declared. Should it be static? kernel/bpf/helpers.c:1056:29: warning: symbol 'bpf_timer_mod_proto' was not declared. Should it be static? kernel/bpf/helpers.c:1081:29: warning: symbol 'bpf_timer_del_proto' was not declared. Should it be static? Reported-by: kernel test robot <lkp(a)intel.com&gt; Signed-off-by: kernel test robot <lkp(a)intel.com&gt; --- helpers.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c index 8ef0ad23c991ed..053df5380d791d 100644 --- a/kernel/bpf/helpers.c +++ b/kernel/bpf/helpers.c @@ -1027,7 +1027,7 @@ BPF_CALL_5(bpf_timer_init, struct bpf_timer *, timer, void *, cb, int, flags, return 0; } -const struct bpf_func_proto bpf_timer_init_proto = { +static const struct bpf_func_proto bpf_timer_init_proto = { .func = bpf_timer_init, .gpl_only = false, .ret_type = RET_INTEGER, @@ -1053,7 +1053,7 @@ BPF_CALL_2(bpf_timer_mod, struct bpf_timer *, timer, u64, msecs) return 0; } -const struct bpf_func_proto bpf_timer_mod_proto = { +static const struct bpf_func_proto bpf_timer_mod_proto = { .func = bpf_timer_mod, .gpl_only = false, .ret_type = RET_INTEGER, @@ -1078,7 +1078,7 @@ BPF_CALL_1(bpf_timer_del, struct bpf_timer *, timer) return 0; } -const struct bpf_func_proto bpf_timer_del_proto = { +static const struct bpf_func_proto bpf_timer_del_proto = { .func = bpf_timer_del, .gpl_only = false, .ret_type = RET_INTEGER,