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bpf: add get_next_key callback to LPM map

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map_get_next_key callback is mandatory. Supply dummy handler.

Fixes: b95a5c4db0 ("bpf: add a longest prefix match trie map implementation")
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexei Starovoitov 2017-03-05 09:41:08 -08:00 committed by David S. Miller
parent 8d70eeb84a
commit f38837b08d
1 changed files with 6 additions and 0 deletions
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6
kernel/bpf/lpm_trie.c
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@ -500,9 +500,15 @@ unlock:
raw_spin_unlock(&trie->lock);
}
static int trie_get_next_key(struct bpf_map *map, void *key, void *next_key)
{
return -ENOTSUPP;
}
static const struct bpf_map_ops trie_ops = {
.map_alloc = trie_alloc,
.map_free = trie_free,
.map_get_next_key = trie_get_next_key,
.map_lookup_elem = trie_lookup_elem,
.map_update_elem = trie_update_elem,
.map_delete_elem = trie_delete_elem,