bpf: remove obsolete prog->aux sanitation in bpf_insn_prepare_dump

This logic is not needed anymore since we got rid of the verifier
rewrite that was using prog->aux address in f6069b9aa993 ("bpf:
fix redirect to map under tail calls").

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

1 files changed, 0 insertions, 7 deletions

diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 7f1410d6fbe9..6ae062f1cf20 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -2032,13 +2032,6 @@ static struct bpf_insn *bpf_insn_prepare_dump(const struct bpf_prog *prog)
                         insns[i + 1].imm = 0;
                         continue;
                 }
-
-                if (!bpf_dump_raw_ok() &&
-                    imm == (unsigned long)prog->aux) {
-                        insns[i].imm = 0;
-                        insns[i + 1].imm = 0;
-                        continue;
-                }
         }
 
         return insns;