[PATCH bpf-next] libbpf 1.0: deprecate bpf_object__find_map_by_offset() API

[Christy Lee <christylee@fb.com>]

API created with simplistic assumptions about BPF map definitions.
It hasn’t worked for a while, deprecate it in preparation for
libbpf 1.0.

[0] Closes: https://github.com/libbpf/libbpf/issues/302

Signed-off-by: Christy Lee <christylee@fb.com>
---
 tools/lib/bpf/libbpf.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h
index 85dfef88b3d2..8a86d7e614bc 100644
--- a/tools/lib/bpf/libbpf.h
+++ b/tools/lib/bpf/libbpf.h
@@ -677,7 +677,8 @@ bpf_object__find_map_fd_by_name(const struct bpf_object *obj, const char *name);
  * Get bpf_map through the offset of corresponding struct bpf_map_def
  * in the BPF object file.
  */
-LIBBPF_API struct bpf_map *
+LIBBPF_API LIBBPF_DEPRECATED_SINCE(0, 8, "function has no effect")
+struct bpf_map *
 bpf_object__find_map_by_offset(struct bpf_object *obj, size_t offset);
 
 LIBBPF_API LIBBPF_DEPRECATED_SINCE(0, 7, "use bpf_object__next_map() instead")
-- 
2.30.2