diff options
Diffstat (limited to 'tools/bpf/bpftool/prog.c')
| -rw-r--r-- | tools/bpf/bpftool/prog.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c index 41bd5390b4fc..e07f35ff80d1 100644 --- a/tools/bpf/bpftool/prog.c +++ b/tools/bpf/bpftool/prog.c @@ -602,11 +602,21 @@ err_free: static int do_pin(int argc, char **argv) { - return do_pin_any(argc, argv, bpf_prog_get_fd_by_id); + int err; + + err = do_pin_any(argc, argv, bpf_prog_get_fd_by_id); + if (!err && json_output) + jsonw_null(json_wtr); + return err; } static int do_help(int argc, char **argv) { + if (json_output) { + jsonw_null(json_wtr); + return 0; + } + fprintf(stderr, "Usage: %s %s show [PROG]\n" " %s %s dump xlated PROG [{ file FILE | opcodes }]\n" |