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bpf: libbpf: remove map name retry from bpf_create_map_xattr

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Instead, check for a newly created caps.name bpf_object capability.
If kernel doesn't support names, don't specify the attribute.

See commit 23499442c3 ("bpf: libbpf: retry map creation without
the name") for rationale.

Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Stanislav Fomichev 2018-11-20 17:11:20 -08:00 • committed by Daniel Borkmann
parent 47eff61777
commit 94cb310cfa
2 changed files with 3 additions and 11 deletions
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3
tools/lib/bpf/libbpf.c
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@ -1211,7 +1211,8 @@ bpf_object__create_maps(struct bpf_object *obj)
continue;
}
create_attr.name = map->name;
if (obj->caps.name)
create_attr.name = map->name;
create_attr.map_ifindex = map->map_ifindex;
create_attr.map_type = def->type;
create_attr.map_flags = def->map_flags;