diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 3c9afbee4f2a123506c1f58504000366903e94ed..2cf056148e9f6af21e3d5fa669dd8946d789ddf8 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -1513,7 +1513,7 @@ static int add_subprog(struct bpf_verifier_env *env, int off)
 	}
 	ret = find_subprog(env, off);
 	if (ret >= 0)
-		return 0;
+		return ret;
 	if (env->subprog_cnt >= BPF_MAX_SUBPROGS) {
 		verbose(env, "too many subprograms\n");
 		return -E2BIG;
@@ -1521,7 +1521,7 @@ static int add_subprog(struct bpf_verifier_env *env, int off)
 	env->subprog_info[env->subprog_cnt++].start = off;
 	sort(env->subprog_info, env->subprog_cnt,
 	     sizeof(env->subprog_info[0]), cmp_subprogs, NULL);
-	return 0;
+	return env->subprog_cnt - 1;
 }
 
 static int check_subprogs(struct bpf_verifier_env *env)