diff options
Diffstat (limited to 'tools/bpf/bpftool/btf.c')
-rw-r--r-- | tools/bpf/bpftool/btf.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/tools/bpf/bpftool/btf.c b/tools/bpf/bpftool/btf.c index 64411fe49a66..68a70ac03c80 100644 --- a/tools/bpf/bpftool/btf.c +++ b/tools/bpf/bpftool/btf.c @@ -635,10 +635,9 @@ static int do_dump(int argc, char **argv) btf = btf__parse_split(*argv, base ?: base_btf); err = libbpf_get_error(btf); - if (err) { - btf = NULL; + if (!btf) { p_err("failed to load BTF from %s: %s", - *argv, strerror(err)); + *argv, strerror(errno)); goto done; } NEXT_ARG(); @@ -683,8 +682,8 @@ static int do_dump(int argc, char **argv) btf = btf__load_from_kernel_by_id_split(btf_id, base_btf); err = libbpf_get_error(btf); - if (err) { - p_err("get btf by id (%u): %s", btf_id, strerror(err)); + if (!btf) { + p_err("get btf by id (%u): %s", btf_id, strerror(errno)); goto done; } } @@ -820,7 +819,7 @@ build_btf_type_table(struct hashmap *tab, enum bpf_obj_type type, u32_as_hash_field(id)); if (err) { p_err("failed to append entry to hashmap for BTF ID %u, object ID %u: %s", - btf_id, id, strerror(errno)); + btf_id, id, strerror(-err)); goto err_free; } } |