From: Stephen Hemminger <stephen@networkplumber.org>
Date: Sat, 10 Dec 2022 03:47:03 +0000 (-0800)
Subject: tc: print errors on stderr
X-Git-Tag: v6.1.0~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=523692fa17e3b7a252859c6eda84b92368ca5bc7;p=thirdparty%2Fiproute2.git

tc: print errors on stderr

Don't mix output and errors.

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

diff --git a/tc/tc_class.c b/tc/tc_class.c
index b3e7c9249..1297d152f 100644
--- a/tc/tc_class.c
+++ b/tc/tc_class.c
@@ -365,7 +365,7 @@ int print_class(struct nlmsghdr *n, void *arg)
 		if (q && q->print_copt)
 			q->print_copt(q, fp, tb[TCA_OPTIONS]);
 		else
-			fprintf(fp, "[cannot parse class parameters]");
+			fprintf(stderr, "[cannot parse class parameters]");
 	}
 	fprintf(fp, "\n");
 	if (show_stats) {
diff --git a/tc/tc_monitor.c b/tc/tc_monitor.c
index c279a4a1a..64f314916 100644
--- a/tc/tc_monitor.c
+++ b/tc/tc_monitor.c
@@ -67,7 +67,7 @@ static int accept_tcmsg(struct rtnl_ctrl_data *ctrl,
 	}
 	if (n->nlmsg_type != NLMSG_ERROR && n->nlmsg_type != NLMSG_NOOP &&
 	    n->nlmsg_type != NLMSG_DONE) {
-		fprintf(fp, "Unknown message: length %08d type %08x flags %08x\n",
+		fprintf(stderr, "Unknown message: length %08d type %08x flags %08x\n",
 			n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
 	}
 	return 0;