diff options
Diffstat (limited to 'kernel/bpf/btf.c')
| -rw-r--r-- | kernel/bpf/btf.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 4cfaf5eebecd..2f0b0440131c 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -5025,41 +5025,6 @@ btf_get_prog_ctx_type(struct bpf_verifier_log *log, const struct btf *btf, return ctx_type; } -static const struct bpf_map_ops * const btf_vmlinux_map_ops[] = { -#define BPF_PROG_TYPE(_id, _name, prog_ctx_type, kern_ctx_type) -#define BPF_LINK_TYPE(_id, _name) -#define BPF_MAP_TYPE(_id, _ops) \ - [_id] = &_ops, -#include <linux/bpf_types.h> -#undef BPF_PROG_TYPE -#undef BPF_LINK_TYPE -#undef BPF_MAP_TYPE -}; - -static int btf_vmlinux_map_ids_init(const struct btf *btf, - struct bpf_verifier_log *log) -{ - const struct bpf_map_ops *ops; - int i, btf_id; - - for (i = 0; i < ARRAY_SIZE(btf_vmlinux_map_ops); ++i) { - ops = btf_vmlinux_map_ops[i]; - if (!ops || (!ops->map_btf_name && !ops->map_btf_id)) - continue; - if (!ops->map_btf_name || !ops->map_btf_id) { - bpf_log(log, "map type %d is misconfigured\n", i); - return -EINVAL; - } - btf_id = btf_find_by_name_kind(btf, ops->map_btf_name, - BTF_KIND_STRUCT); - if (btf_id < 0) - return btf_id; - *ops->map_btf_id = btf_id; - } - - return 0; -} - static int btf_translate_to_vmlinux(struct bpf_verifier_log *log, struct btf *btf, const struct btf_type *t, @@ -5125,11 +5090,6 @@ struct btf *btf_parse_vmlinux(void) /* btf_parse_vmlinux() runs under bpf_verifier_lock */ bpf_ctx_convert.t = btf_type_by_id(btf, bpf_ctx_convert_btf_id[0]); - /* find bpf map structs for map_ptr access checking */ - err = btf_vmlinux_map_ids_init(btf, log); - if (err < 0) - goto errout; - bpf_struct_ops_init(btf, log); refcount_set(&btf->refcnt, 1); |