diff options
Diffstat (limited to 'kernel/bpf/verifier.c')
| -rw-r--r-- | kernel/bpf/verifier.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index ca90679a7fe5..92246117d2b0 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -5844,27 +5844,6 @@ static int fixup_bpf_calls(struct bpf_verifier_env *env) goto patch_call_imm; } - if (insn->imm == BPF_FUNC_redirect_map) { - /* Note, we cannot use prog directly as imm as subsequent - * rewrites would still change the prog pointer. The only - * stable address we can use is aux, which also works with - * prog clones during blinding. - */ - u64 addr = (unsigned long)prog->aux; - struct bpf_insn r4_ld[] = { - BPF_LD_IMM64(BPF_REG_4, addr), - *insn, - }; - cnt = ARRAY_SIZE(r4_ld); - - new_prog = bpf_patch_insn_data(env, i + delta, r4_ld, cnt); - if (!new_prog) - return -ENOMEM; - - delta += cnt - 1; - env->prog = prog = new_prog; - insn = new_prog->insnsi + i + delta; - } patch_call_imm: fn = env->ops->get_func_proto(insn->imm, env->prog); /* all functions that have prototype and verifier allowed |