diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/lib/bpf/libbpf.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index fde6cb3e5d41..d8ead85903d1 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -229,6 +229,7 @@ struct bpf_map { enum libbpf_map_type libbpf_type; char *pin_path; bool pinned; + bool reused; }; struct bpf_secdata { @@ -1995,6 +1996,7 @@ int bpf_map__reuse_fd(struct bpf_map *map, int fd) map->def.map_flags = info.map_flags; map->btf_key_type_id = info.btf_key_type_id; map->btf_value_type_id = info.btf_value_type_id; + map->reused = true; return 0; @@ -4026,7 +4028,7 @@ int bpf_object__unload(struct bpf_object *obj) int bpf_object__load_xattr(struct bpf_object_load_attr *attr) { struct bpf_object *obj; - int err; + int err, i; if (!attr) return -EINVAL; @@ -4047,6 +4049,11 @@ int bpf_object__load_xattr(struct bpf_object_load_attr *attr) return 0; out: + /* unpin any maps that were auto-pinned during load */ + for (i = 0; i < obj->nr_maps; i++) + if (obj->maps[i].pinned && !obj->maps[i].reused) + bpf_map__unpin(&obj->maps[i], NULL); + bpf_object__unload(obj); pr_warn("failed to load object '%s'\n", obj->path); return err; |