When getopt_long encounters an option which has not been registered, it returns '?'. React upon that and call usage() instead of help() so ss returns with a non-zero exit status.
Signed-off-by: Phil Sutter <p...@nwl.cc> --- misc/ss.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/misc/ss.c b/misc/ss.c index eca4aa3..a9ae85e 100644 --- a/misc/ss.c +++ b/misc/ss.c @@ -3770,8 +3770,8 @@ int main(int argc, char *argv[]) exit(1); break; case 'h': - case '?': help(); + case '?': default: usage(); } -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html