diff options
| -rw-r--r-- | tools/lib/bpf/libbpf.c | 12 | ||||
| -rw-r--r-- | tools/lib/bpf/libbpf.h | 6 |
2 files changed, 13 insertions, 5 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 8375021800f3..342340aee948 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -8562,9 +8562,13 @@ enum bpf_prog_type bpf_program__type(const struct bpf_program *prog) return prog->type; } -void bpf_program__set_type(struct bpf_program *prog, enum bpf_prog_type type) +int bpf_program__set_type(struct bpf_program *prog, enum bpf_prog_type type) { + if (prog->obj->loaded) + return libbpf_err(-EBUSY); + prog->type = type; + return 0; } static bool bpf_program__is_type(const struct bpf_program *prog, @@ -8609,10 +8613,14 @@ enum bpf_attach_type bpf_program__expected_attach_type(const struct bpf_program return prog->expected_attach_type; } -void bpf_program__set_expected_attach_type(struct bpf_program *prog, +int bpf_program__set_expected_attach_type(struct bpf_program *prog, enum bpf_attach_type type) { + if (prog->obj->loaded) + return libbpf_err(-EBUSY); + prog->expected_attach_type = type; + return 0; } __u32 bpf_program__flags(const struct bpf_program *prog) diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index 63d66f1adf1a..66735623ca63 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -686,12 +686,12 @@ LIBBPF_DEPRECATED_SINCE(0, 8, "use bpf_program__set_type() instead") LIBBPF_API int bpf_program__set_sk_lookup(struct bpf_program *prog); LIBBPF_API enum bpf_prog_type bpf_program__type(const struct bpf_program *prog); -LIBBPF_API void bpf_program__set_type(struct bpf_program *prog, - enum bpf_prog_type type); +LIBBPF_API int bpf_program__set_type(struct bpf_program *prog, + enum bpf_prog_type type); LIBBPF_API enum bpf_attach_type bpf_program__expected_attach_type(const struct bpf_program *prog); -LIBBPF_API void +LIBBPF_API int bpf_program__set_expected_attach_type(struct bpf_program *prog, enum bpf_attach_type type); |