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-rw-r--r--net/decnet/dn_rules.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/decnet/dn_rules.c b/net/decnet/dn_rules.c
index c795c3f509c9..72236695db3d 100644
--- a/net/decnet/dn_rules.c
+++ b/net/decnet/dn_rules.c
@@ -121,13 +121,16 @@ static int dn_fib_rule_match(struct fib_rule *rule, struct flowi *fl, int flags)
static int dn_fib_rule_configure(struct fib_rule *rule, struct sk_buff *skb,
struct fib_rule_hdr *frh,
- struct nlattr **tb)
+ struct nlattr **tb,
+ struct netlink_ext_ack *extack)
{
int err = -EINVAL;
struct dn_fib_rule *r = (struct dn_fib_rule *)rule;
- if (frh->tos)
+ if (frh->tos) {
+ NL_SET_ERR_MSG(extack, "Invalid tos value");
goto errout;
+ }
if (rule->table == RT_TABLE_UNSPEC) {
if (rule->action == FR_ACT_TO_TBL) {