kernel/bpf/helpers.c:1389:29: warning: symbol 'bpf_kptr_xchg_proto' was not declared. Should it be static? Fixes: c0a5a21c25f3 ("bpf: Allow storing referenced kptr in map") Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: kernel test robot <lkp@xxxxxxxxx> --- kernel/bpf/helpers.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c index 3e709fed530612..62864d2c44e4a3 100644 --- a/kernel/bpf/helpers.c +++ b/kernel/bpf/helpers.c @@ -1386,7 +1386,7 @@ BPF_CALL_2(bpf_kptr_xchg, void *, map_value, void *, ptr) */ #define BPF_PTR_POISON ((void *)((0xeB9FUL << 2) + POISON_POINTER_DELTA)) -const struct bpf_func_proto bpf_kptr_xchg_proto = { +static const struct bpf_func_proto bpf_kptr_xchg_proto = { .func = bpf_kptr_xchg, .gpl_only = false, .ret_type = RET_PTR_TO_BTF_ID_OR_NULL,