1 files changed, 2 insertions, 0 deletions
diff --git a/tc/f_flower.c b/tc/f_flower.c
index 99e62a38..b1802107 100644
--- a/tc/f_flower.c
+++ b/tc/f_flower.c
@@ -630,6 +630,8 @@ static int flower_parse_opt(struct filter_util *qu, char *handle,
 			flags |= TCA_CLS_FLAGS_SKIP_SW;
 		} else if (matches(*argv, "indev") == 0) {
 			NEXT_ARG();
+			if (check_ifname(*argv))
+				invarg("\"indev\" not a valid ifname", *argv);
 			addattrstrz(n, MAX_MSG, TCA_FLOWER_INDEV, *argv);
 		} else if (matches(*argv, "vlan_id") == 0) {
 			__u16 vid;