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Diffstat (limited to 'net/sched/act_api.c')
-rw-r--r--net/sched/act_api.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 5b3c0ac495be..cd09ef49df22 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -1582,7 +1582,7 @@ errout:
static int tca_get_fill(struct sk_buff *skb, struct tc_action *actions[],
u32 portid, u32 seq, u16 flags, int event, int bind,
- int ref)
+ int ref, struct netlink_ext_ack *extack)
{
struct tcamsg *t;
struct nlmsghdr *nlh;
@@ -1606,7 +1606,12 @@ static int tca_get_fill(struct sk_buff *skb, struct tc_action *actions[],
nla_nest_end(skb, nest);
+ if (extack && extack->_msg &&
+ nla_put_string(skb, TCA_EXT_WARN_MSG, extack->_msg))
+ goto out_nlmsg_trim;
+
nlh->nlmsg_len = skb_tail_pointer(skb) - b;
+
return skb->len;
out_nlmsg_trim:
@@ -1625,7 +1630,7 @@ tcf_get_notify(struct net *net, u32 portid, struct nlmsghdr *n,
if (!skb)
return -ENOBUFS;
if (tca_get_fill(skb, actions, portid, n->nlmsg_seq, 0, event,
- 0, 1) <= 0) {
+ 0, 1, NULL) <= 0) {
NL_SET_ERR_MSG(extack, "Failed to fill netlink attributes while adding TC action");
kfree_skb(skb);
return -EINVAL;
@@ -1799,7 +1804,7 @@ tcf_reoffload_del_notify(struct net *net, struct tc_action *action)
if (!skb)
return -ENOBUFS;
- if (tca_get_fill(skb, actions, 0, 0, 0, RTM_DELACTION, 0, 1) <= 0) {
+ if (tca_get_fill(skb, actions, 0, 0, 0, RTM_DELACTION, 0, 1, NULL) <= 0) {
kfree_skb(skb);
return -EINVAL;
}
@@ -1886,7 +1891,7 @@ tcf_del_notify(struct net *net, struct nlmsghdr *n, struct tc_action *actions[],
return -ENOBUFS;
if (tca_get_fill(skb, actions, portid, n->nlmsg_seq, 0, RTM_DELACTION,
- 0, 2) <= 0) {
+ 0, 2, extack) <= 0) {
NL_SET_ERR_MSG(extack, "Failed to fill netlink TC action attributes");
kfree_skb(skb);
return -EINVAL;
@@ -1965,7 +1970,7 @@ tcf_add_notify(struct net *net, struct nlmsghdr *n, struct tc_action *actions[],
return -ENOBUFS;
if (tca_get_fill(skb, actions, portid, n->nlmsg_seq, n->nlmsg_flags,
- RTM_NEWACTION, 0, 0) <= 0) {
+ RTM_NEWACTION, 0, 0, extack) <= 0) {
NL_SET_ERR_MSG(extack, "Failed to fill netlink attributes while adding TC action");
kfree_skb(skb);
return -EINVAL;