diff options
| -rw-r--r-- | include/linux/bpf.h | 1 | ||||
| -rw-r--r-- | kernel/bpf/syscall.c | 5 |
2 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 59631dd0777c..4fb3aa2dc975 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -36,6 +36,7 @@ struct bpf_map_ops { void (*map_free)(struct bpf_map *map); int (*map_get_next_key)(struct bpf_map *map, void *key, void *next_key); void (*map_release_uref)(struct bpf_map *map); + void *(*map_lookup_elem_sys_only)(struct bpf_map *map, void *key); /* funcs callable from userspace and from eBPF programs */ void *(*map_lookup_elem)(struct bpf_map *map, void *key); diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index ad3ccf82f31d..cb5440b02e82 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -808,7 +808,10 @@ static int map_lookup_elem(union bpf_attr *attr) err = map->ops->map_peek_elem(map, value); } else { rcu_read_lock(); - ptr = map->ops->map_lookup_elem(map, key); + if (map->ops->map_lookup_elem_sys_only) + ptr = map->ops->map_lookup_elem_sys_only(map, key); + else + ptr = map->ops->map_lookup_elem(map, key); if (IS_ERR(ptr)) { err = PTR_ERR(ptr); } else if (!ptr) { |