tc: print unknown action on stderr

This is an error, and should not go to stdout.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

diff --git a/tc/m_action.c b/tc/m_action.c
index 16474c56118c115f16d6dc57a13b57944426282b..f180ba09778c2d86d71d7ff887e59c761450e3e8 100644 (file)
--- a/tc/m_action.c
+++ b/tc/m_action.c
@@ -62,7 +62,7 @@ static void act_usage(void)
 static int print_noaopt(struct action_util *au, FILE *f, struct rtattr *opt)
 {
        if (opt && RTA_PAYLOAD(opt))
-               fprintf(f, "[Unknown action, optlen=%u] ",
+               fprintf(stderr, "[Unknown action, optlen=%u] ",
                        (unsigned int) RTA_PAYLOAD(opt));
        return 0;
 }