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| author | Haimin Zhang <tcs_kernel@tencent.com> | 2021-12-29 19:20:02 +0800 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2021-12-29 09:38:31 -0800 |
| commit | 3ccdcee28415c4226de05438b4d89eb5514edf73 (patch) | |
| tree | 339f6dfbed7e292fc81c4f1751f4c528a7983229 /kernel | |
| parent | b6459415b384cb829f0b2a4268f211c789f6cf0b (diff) | |
| download | linux-3ccdcee28415c4226de05438b4d89eb5514edf73.tar.bz2 | |
bpf: Add missing map_get_next_key method to bloom filter map.
Without it, kernel crashes in map_get_next_key().
Fixes: 9330986c0300 ("bpf: Add bloom filter map implementation")
Reported-by: TCS Robot <tcs_robot@tencent.com>
Signed-off-by: Haimin Zhang <tcs_kernel@tencent.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Joanne Koong <joannekoong@fb.com>
Link: https://lore.kernel.org/bpf/1640776802-22421-1-git-send-email-tcs.kernel@gmail.com
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/bpf/bloom_filter.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/bpf/bloom_filter.c b/kernel/bpf/bloom_filter.c index 277a05e9c984..b141a1346f72 100644 --- a/kernel/bpf/bloom_filter.c +++ b/kernel/bpf/bloom_filter.c @@ -82,6 +82,11 @@ static int bloom_map_delete_elem(struct bpf_map *map, void *value) return -EOPNOTSUPP; } +static int bloom_map_get_next_key(struct bpf_map *map, void *key, void *next_key) +{ + return -EOPNOTSUPP; +} + static struct bpf_map *bloom_map_alloc(union bpf_attr *attr) { u32 bitset_bytes, bitset_mask, nr_hash_funcs, nr_bits; @@ -192,6 +197,7 @@ const struct bpf_map_ops bloom_filter_map_ops = { .map_meta_equal = bpf_map_meta_equal, .map_alloc = bloom_map_alloc, .map_free = bloom_map_free, + .map_get_next_key = bloom_map_get_next_key, .map_push_elem = bloom_map_push_elem, .map_peek_elem = bloom_map_peek_elem, .map_pop_elem = bloom_map_pop_elem, |