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| author | Toke Høiland-Jørgensen <toke@redhat.com> | 2020-09-25 23:25:01 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-09-28 17:09:59 -0700 |
| commit | efc68158c429f37d87fd02ee9a26913c78546fc9 (patch) | |
| tree | dbff90d25f49eb38e278dc0edc000c6e0a72d43a /include | |
| parent | 1af9270e908cd50a4f5d815c9b6f794c7d57ed07 (diff) | |
| download | linux-stable-efc68158c429f37d87fd02ee9a26913c78546fc9.tar.gz linux-stable-efc68158c429f37d87fd02ee9a26913c78546fc9.tar.bz2 linux-stable-efc68158c429f37d87fd02ee9a26913c78546fc9.zip | |
bpf: change logging calls from verbose() to bpf_log() and use log pointer
In preparation for moving code around, change a bunch of references to
env->log (and the verbose() logging helper) to use bpf_log() and a direct
pointer to struct bpf_verifier_log. While we're touching the function
signature, mark the 'prog' argument to bpf_check_type_match() as const.
Also enhance the bpf_verifier_log_needed() check to handle NULL pointers
for the log struct so we can re-use the code with logging disabled.
Acked-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/bpf.h | 2 | ||||
| -rw-r--r-- | include/linux/bpf_verifier.h | 5 |
2 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index db6dcdee7933..5176726f4f03 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -1420,7 +1420,7 @@ int btf_check_func_arg_match(struct bpf_verifier_env *env, int subprog, struct bpf_reg_state *regs); int btf_prepare_func_args(struct bpf_verifier_env *env, int subprog, struct bpf_reg_state *reg); -int btf_check_type_match(struct bpf_verifier_env *env, struct bpf_prog *prog, +int btf_check_type_match(struct bpf_verifier_log *log, const struct bpf_prog *prog, struct btf *btf, const struct btf_type *t); struct bpf_prog *bpf_prog_by_id(u32 id); diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index 2bb48a2c4d08..7bc9276c4ef4 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -347,8 +347,9 @@ static inline bool bpf_verifier_log_full(const struct bpf_verifier_log *log) static inline bool bpf_verifier_log_needed(const struct bpf_verifier_log *log) { - return (log->level && log->ubuf && !bpf_verifier_log_full(log)) || - log->level == BPF_LOG_KERNEL; + return log && + ((log->level && log->ubuf && !bpf_verifier_log_full(log)) || + log->level == BPF_LOG_KERNEL); } #define BPF_MAX_SUBPROGS 256 |