diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index 8458632824a4..4513372c5bc8 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -927,6 +927,11 @@ static inline bool type_is_sk_pointer(enum bpf_reg_type type)
 		type == PTR_TO_XDP_SOCK;
 }
 
+static inline bool type_may_be_null(u32 type)
+{
+	return type & PTR_MAYBE_NULL;
+}
+
 static inline void mark_reg_scratched(struct bpf_verifier_env *env, u32 regno)
 {
 	env->scratched_regs |= 1U << regno;
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index b806afeba212..53d0556fbbf3 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -383,11 +383,6 @@ static void verbose_invalid_scalar(struct bpf_verifier_env *env,
 	verbose(env, " should have been in [%d, %d]\n", range.minval, range.maxval);
 }
 
-static bool type_may_be_null(u32 type)
-{
-	return type & PTR_MAYBE_NULL;
-}
-
 static bool reg_not_null(const struct bpf_reg_state *reg)
 {
 	enum bpf_reg_type type;
diff --git a/net/bpf/bpf_dummy_struct_ops.c b/net/bpf/bpf_dummy_struct_ops.c
index 3ea52b05adfb..f71f67c6896b 100644
--- a/net/bpf/bpf_dummy_struct_ops.c
+++ b/net/bpf/bpf_dummy_struct_ops.c
@@ -115,7 +115,7 @@ static int check_test_run_args(struct bpf_prog *prog, struct bpf_dummy_ops_test_
 
 		offset = btf_ctx_arg_offset(bpf_dummy_ops_btf, func_proto, arg_no);
 		info = find_ctx_arg_info(prog->aux, offset);
-		if (info && (info->reg_type & PTR_MAYBE_NULL))
+		if (info && type_may_be_null(info->reg_type))
 			continue;
 
 		return -EINVAL;