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path: root/tools/lib/bpf/libbpf.c
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Diffstat (limited to 'tools/lib/bpf/libbpf.c')
-rw-r--r--tools/lib/bpf/libbpf.c12
1 files changed, 10 insertions, 2 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)