diff options
Diffstat (limited to 'tools/bpf/bpftool/iter.c')
| -rw-r--r-- | tools/bpf/bpftool/iter.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/tools/bpf/bpftool/iter.c b/tools/bpf/bpftool/iter.c index f88fdc820d23..9a1d2365a297 100644 --- a/tools/bpf/bpftool/iter.c +++ b/tools/bpf/bpftool/iter.c @@ -1,7 +1,10 @@ // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) // Copyright (C) 2020 Facebook +#ifndef _GNU_SOURCE #define _GNU_SOURCE +#endif +#include <errno.h> #include <unistd.h> #include <linux/err.h> #include <bpf/libbpf.h> @@ -46,8 +49,8 @@ static int do_pin(int argc, char **argv) } obj = bpf_object__open(objfile); - err = libbpf_get_error(obj); - if (err) { + if (!obj) { + err = -errno; p_err("can't open objfile %s", objfile); goto close_map_fd; } @@ -60,13 +63,14 @@ static int do_pin(int argc, char **argv) prog = bpf_object__next_program(obj, NULL); if (!prog) { + err = -errno; p_err("can't find bpf program in objfile %s", objfile); goto close_obj; } link = bpf_program__attach_iter(prog, &iter_opts); - err = libbpf_get_error(link); - if (err) { + if (!link) { + err = -errno; p_err("attach_iter failed for program %s", bpf_program__name(prog)); goto close_obj; |