diff options
Diffstat (limited to 'kernel/bpf/verifier.c')
| -rw-r--r-- | kernel/bpf/verifier.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 8f89cfa93e88..e78ec7990767 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -4147,11 +4147,9 @@ static int check_helper_call(struct bpf_verifier_env *env, int func_id, int insn meta.func_id = func_id; /* check args */ for (i = 0; i < 5; i++) { - if (fn->arg_type[i] == ARG_PTR_TO_BTF_ID) { - if (!fn->btf_id[i]) - fn->btf_id[i] = btf_resolve_helper_id(&env->log, fn->func, i); - meta.btf_id = fn->btf_id[i]; - } + err = btf_resolve_helper_id(&env->log, fn, i); + if (err > 0) + meta.btf_id = err; err = check_func_arg(env, BPF_REG_1 + i, fn->arg_type[i], &meta); if (err) return err; |