diff options
Diffstat (limited to 'kernel/bpf/syscall.c')
| -rw-r--r-- | kernel/bpf/syscall.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index d77b2f8b9364..fc088fd4874f 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -514,6 +514,7 @@ void btf_record_free(struct btf_record *rec) switch (rec->fields[i].type) { case BPF_KPTR_UNREF: case BPF_KPTR_REF: + case BPF_KPTR_PERCPU: if (rec->fields[i].kptr.module) module_put(rec->fields[i].kptr.module); btf_put(rec->fields[i].kptr.btf); @@ -560,6 +561,7 @@ struct btf_record *btf_record_dup(const struct btf_record *rec) switch (fields[i].type) { case BPF_KPTR_UNREF: case BPF_KPTR_REF: + case BPF_KPTR_PERCPU: btf_get(fields[i].kptr.btf); if (fields[i].kptr.module && !try_module_get(fields[i].kptr.module)) { ret = -ENXIO; @@ -650,6 +652,7 @@ void bpf_obj_free_fields(const struct btf_record *rec, void *obj) WRITE_ONCE(*(u64 *)field_ptr, 0); break; case BPF_KPTR_REF: + case BPF_KPTR_PERCPU: xchgd_field = (void *)xchg((unsigned long *)field_ptr, 0); if (!xchgd_field) break; @@ -1045,6 +1048,7 @@ static int map_check_btf(struct bpf_map *map, const struct btf *btf, break; case BPF_KPTR_UNREF: case BPF_KPTR_REF: + case BPF_KPTR_PERCPU: case BPF_REFCOUNT: if (map->map_type != BPF_MAP_TYPE_HASH && map->map_type != BPF_MAP_TYPE_PERCPU_HASH && @@ -2745,7 +2749,7 @@ free_used_maps: * period before we can tear down JIT memory since symbols * are already exposed under kallsyms. */ - __bpf_prog_put_noref(prog, prog->aux->func_cnt); + __bpf_prog_put_noref(prog, prog->aux->real_func_cnt); return err; free_prog_sec: free_uid(prog->aux->user); |