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xskmap: Move non-standard list manipulation to helper

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Add a helper in list.h for the non-standard way of clearing a list that is
used in xskmap. This makes it easier to reuse it in the other map types,
and also makes sure this usage is not forgotten in any list refactorings in
the future.

Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Toke Høiland-Jørgensen 2019-06-28 11:12:34 +02:00 • committed by Daniel Borkmann
commit c8af5cd75e
2 changed files with 15 additions and 2 deletions
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3
kernel/bpf/xskmap.c
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@ -145,8 +145,7 @@ void __xsk_map_flush(struct bpf_map *map)
list_for_each_entry_safe(xs, tmp, flush_list, flush_node) {
xsk_flush(xs);
__list_del(xs->flush_node.prev, xs->flush_node.next);
xs->flush_node.prev = NULL;
__list_del_clearprev(&xs->flush_node);
}
}