On Thu, Nov 7, 2019 at 8:52 AM Toke Høiland-Jørgensen <toke@xxxxxxxxxx> wrote:
>
> From: Toke Høiland-Jørgensen <toke@xxxxxxxxxx>
>
> Since the automatic map-pinning happens during load, it will leave pinned
> maps around if the load fails at a later stage. Fix this by unpinning any
> pinned maps on cleanup. To avoid unpinning pinned maps that were reused
> rather than newly pinned, add a new boolean property on struct bpf_map to
> keep track of whether that map was reused or not; and only unpin those maps
> that were not reused.
>
> Fixes: 57a00f41644f ("libbpf: Add auto-pinning of maps when loading BPF objects")
> Signed-off-by: Toke Høiland-Jørgensen <toke@xxxxxxxxxx>
Acked-by: Song Liu <songliubraving@xxxxxx>
