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tools: bpftool: add `bpftool prog help` as real command i.r.t exit code 

Make error messages and return codes more consistent. Specifically, make
`bpftool prog help` a real command, instead of printing usage by default
for a non-recognized "help" command. Output is the same, but this makes
bpftool return with a success value instead of an error.

Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Quentin Monnet 2017-10-19 15:46:22 -07:00 committed by David S. Miller
parent 1d84487e2a
commit 9f606179c8
1 changed files with 1 additions and 0 deletions
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1
tools/bpf/bpftool/prog.c
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@ -475,6 +475,7 @@ static int do_help(int argc, char **argv)
static const struct cmd cmds[] = {
{ "show", do_show },
{ "help", do_help },
{ "dump", do_dump },
{ "pin", do_pin },
{ 0 }