bpf_map_get
struct bpf_map *bpf_map_get(u32 ufd);
map = bpf_map_get(attr->link_create.map_fd);
EXPORT_SYMBOL_NS(bpf_map_get, "BPF_INTERNAL");
new_map = bpf_map_get(attr->link_update.new_map_fd);
old_map = bpf_map_get(attr->link_update.old_map_fd);
map = bpf_map_get(attr->prog_bind_map.map_fd);
map = bpf_map_get(attr->prog_assoc_struct_ops.map_fd);
struct bpf_map *map = bpf_map_get(map_fd);
map = bpf_map_get(fd);