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bpf: libbpf: don't specify prog name if kernel doesn't support it 

Use recently added capability check.

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 17:11:21 -08:00 committed by Daniel Borkmann
parent 94cb310cfa
commit 5b32a23e1d
1 changed files with 2 additions and 1 deletions
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3
tools/lib/bpf/libbpf.c
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@ -1439,7 +1439,8 @@ load_program(struct bpf_program *prog, struct bpf_insn *insns, int insns_cnt,
memset(&load_attr, 0, sizeof(struct bpf_load_program_attr)); memset(&load_attr, 0, sizeof(struct bpf_load_program_attr));
load_attr.prog_type = prog->type; load_attr.prog_type = prog->type;
load_attr.expected_attach_type = prog->expected_attach_type; load_attr.expected_attach_type = prog->expected_attach_type;
load_attr.name = prog->name; if (prog->caps->name)
load_attr.name = prog->name;
load_attr.insns = insns; load_attr.insns = insns;
load_attr.insns_cnt = insns_cnt; load_attr.insns_cnt = insns_cnt;
load_attr.license = license; load_attr.license = license;