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 bcaf55b59498..faac8189b285 100644 --- a/tools/bpf/bpftool/btf.c +++ b/tools/bpf/bpftool/btf.c @@ -15,7 +15,6 @@ #include <linux/hashtable.h> #include <sys/types.h> #include <sys/stat.h> -#include <unistd.h> #include "json_writer.h" #include "main.h" @@ -554,7 +553,7 @@ static int do_dump(int argc, char **argv) btf = btf__parse_elf(*argv, NULL); if (IS_ERR(btf)) { - err = PTR_ERR(btf); + err = -PTR_ERR(btf); btf = NULL; p_err("failed to load BTF from %s: %s", *argv, strerror(err)); @@ -952,9 +951,9 @@ static int do_help(int argc, char **argv) } fprintf(stderr, - "Usage: %s btf { show | list } [id BTF_ID]\n" - " %s btf dump BTF_SRC [format FORMAT]\n" - " %s btf help\n" + "Usage: %1$s %2$s { show | list } [id BTF_ID]\n" + " %1$s %2$s dump BTF_SRC [format FORMAT]\n" + " %1$s %2$s help\n" "\n" " BTF_SRC := { id BTF_ID | prog PROG | map MAP [{key | value | kv | all}] | file FILE }\n" " FORMAT := { raw | c }\n" @@ -962,7 +961,7 @@ static int do_help(int argc, char **argv) " " HELP_SPEC_PROGRAM "\n" " " HELP_SPEC_OPTIONS "\n" "", - bin_name, bin_name, bin_name); + bin_name, "btf"); return 0; } |