From: Alexei Starovoitov <a...@fb.com> Date: Sun, 5 Mar 2017 09:41:08 -0800
> map_get_next_key callback is mandatory. Supply dummy handler.
>
> Fixes: b95a5c4db09b ("bpf: add a longest prefix match trie map
> implementation")
> Reported-by: Dmitry Vyukov <dvyu...@google.com>
> Signed-off-by: Alexei Starovoitov <a...@kernel.org>
Wouldn't it be more appropriate to provide a proper DFS ordered
traversal rather than return an error code?
