From f38837b08d23e66de17d46d030e0d9ac5172ad1f Mon Sep 17 00:00:00 2001 From: Alexei Starovoitov Date: Sun, 5 Mar 2017 09:41:08 -0800 Subject: bpf: add get_next_key callback to LPM map 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 Signed-off-by: Alexei Starovoitov Signed-off-by: David S. Miller --- kernel/bpf/lpm_trie.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'kernel/bpf') diff --git a/kernel/bpf/lpm_trie.c b/kernel/bpf/lpm_trie.c index 8bfe0af..b37bd9a 100644 --- a/kernel/bpf/lpm_trie.c +++ b/kernel/bpf/lpm_trie.c @@ -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, -- cgit v1.1