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| author | Roman Gushchin | 2018-12-11 00:43:00 +0100 |
|---|---|---|
| committer | Alexei Starovoitov | 2018-12-13 00:33:33 +0100 |
| commit | 1b2b234b1318afb3775d4c6624fd5a96558f19df (patch) | |
| tree | b473e992413a2c8c60195ae7c2606fb172012569 /kernel/bpf/syscall.c | |
| parent | selftests/bpf: use __bpf_constant_htons in test_prog.c (diff) | |
| download | kernel-qcow2-linux-1b2b234b1318afb3775d4c6624fd5a96558f19df.tar.gz kernel-qcow2-linux-1b2b234b1318afb3775d4c6624fd5a96558f19df.tar.xz kernel-qcow2-linux-1b2b234b1318afb3775d4c6624fd5a96558f19df.zip | |
bpf: pass struct btf pointer to the map_check_btf() callback
If key_type or value_type are of non-trivial data types
(e.g. structure or typedef), it's not possible to check them without
the additional information, which can't be obtained without a pointer
to the btf structure.
So, let's pass btf pointer to the map_check_btf() callbacks.
Signed-off-by: Roman Gushchin <guro@fb.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'kernel/bpf/syscall.c')
| -rw-r--r-- | kernel/bpf/syscall.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 5745c7837621..70fb11106fc2 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -456,6 +456,7 @@ static int bpf_obj_name_cpy(char *dst, const char *src) } int map_check_no_btf(const struct bpf_map *map, + const struct btf *btf, const struct btf_type *key_type, const struct btf_type *value_type) { @@ -478,7 +479,7 @@ static int map_check_btf(const struct bpf_map *map, const struct btf *btf, return -EINVAL; if (map->ops->map_check_btf) - ret = map->ops->map_check_btf(map, key_type, value_type); + ret = map->ops->map_check_btf(map, btf, key_type, value_type); return ret; } |