diff options
| author | Daniel Borkmann <daniel@iogearbox.net> | 2022-01-10 17:05:49 +0300 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2022-01-19 03:21:24 +0300 |
| commit | be80a1d3f9dbe5aee79a325964f7037fe2d92f30 (patch) | |
| tree | a3e887f6a5df46e96f185bd4f27aee1c3e28496f /kernel/bpf/btf.c | |
| parent | 343e53754b21ae45530623222aa079fecd3cf942 (diff) | |
| download | linux-be80a1d3f9dbe5aee79a325964f7037fe2d92f30.tar.xz | |
bpf: Generalize check_ctx_reg for reuse with other types
Generalize the check_ctx_reg() helper function into a more generic named one
so that it can be reused for other register types as well to check whether
their offset is non-zero. No functional change.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'kernel/bpf/btf.c')
| -rw-r--r-- | kernel/bpf/btf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 33bb8ae4a804..e16dafeb2450 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -5686,7 +5686,7 @@ static int btf_check_func_arg_match(struct bpf_verifier_env *env, i, btf_type_str(t)); return -EINVAL; } - if (check_ctx_reg(env, reg, regno)) + if (check_ptr_off_reg(env, reg, regno)) return -EINVAL; } else if (is_kfunc && (reg->type == PTR_TO_BTF_ID || reg2btf_ids[reg->type])) { const struct btf_type *reg_ref_t; |