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Commit f38837b0 authored by Alexei Starovoitov's avatar Alexei Starovoitov Committed by David S. Miller
Browse files

bpf: add get_next_key callback to LPM map 



map_get_next_key callback is mandatory. Supply dummy handler.

Fixes: b95a5c4d ("bpf: add a longest prefix match trie map implementation")
Reported-by: default avatarDmitry Vyukov <dvyukov@google.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8d70eeb8

kernel/bpf/lpm_trie.c

+6 −0
Original line number Diff line number Diff line
@@ -500,9 +500,15 @@ static void trie_free(struct bpf_map *map) 
	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,