In the current code, the parameters check of bpftool seems not correct, for example, "bpftool batch file FILE" is the expected command format, but "bpftool b f FILE" is recognized as valid, so use strcmp() instead of is_prefix() to check parameters. Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx> --- tools/bpf/bpftool/main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/bpf/bpftool/main.c b/tools/bpf/bpftool/main.c index 741e50e..4ef87c2 100644 --- a/tools/bpf/bpftool/main.c +++ b/tools/bpf/bpftool/main.c @@ -200,7 +200,7 @@ int cmd_select(const struct cmd *cmds, int argc, char **argv, return cmds[0].func(argc, argv); for (i = 0; cmds[i].cmd; i++) { - if (is_prefix(*argv, cmds[i].cmd)) { + if (!strcmp(*argv, cmds[i].cmd)) { if (!cmds[i].func) { p_err("command '%s' is not supported in bootstrap mode", cmds[i].cmd); @@ -337,7 +337,7 @@ static int do_batch(int argc, char **argv) if (argc < 2) { p_err("too few parameters for batch"); return -1; - } else if (!is_prefix(*argv, "file")) { + } else if (strcmp(*argv, "file")) { p_err("expected 'file', got: %s", *argv); return -1; } else if (argc > 2) { -- 2.1.0