libbpf: Fix anonymous type check in CO-RE logic

Use type name for checking whether CO-RE relocation is referring to
anonymous type. Using spec string makes no sense.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20220426004511.2691730-2-andrii@kernel.org

diff --git a/tools/lib/bpf/relo_core.c b/tools/lib/bpf/relo_core.c
index f946f23eab20b24ca42d1c798f325ab26c5a7d6d..adaa221606924656421a6fb95da126315b57d9b8 100644 (file)
--- a/tools/lib/bpf/relo_core.c
+++ b/tools/lib/bpf/relo_core.c
@@ -1207,7 +1207,7 @@ int bpf_core_calc_relo_insn(const char *prog_name,
        }
 
        /* libbpf doesn't support candidate search for anonymous types */
-       if (str_is_empty(spec_str)) {
+       if (str_is_empty(local_name)) {
                pr_warn("prog '%s': relo #%d: <%s> (%d) relocation doesn't support anonymous types\n",
                        prog_name, relo_idx, core_relo_kind_str(relo->kind), relo->kind);
                return -EOPNOTSUPP;