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Diffstat (limited to 'net/sched/cls_matchall.c')
-rw-r--r--net/sched/cls_matchall.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c
index 38c0a9f0f296..a30d2f8feb32 100644
--- a/net/sched/cls_matchall.c
+++ b/net/sched/cls_matchall.c
@@ -21,6 +21,7 @@ struct cls_mall_head {
unsigned int in_hw_count;
struct tc_matchall_pcnt __percpu *pf;
struct rcu_work rwork;
+ bool deleting;
};
static int mall_classify(struct sk_buff *skb, const struct tcf_proto *tp,
@@ -258,7 +259,11 @@ err_exts_init:
static int mall_delete(struct tcf_proto *tp, void *arg, bool *last,
bool rtnl_held, struct netlink_ext_ack *extack)
{
- return -EOPNOTSUPP;
+ struct cls_mall_head *head = rtnl_dereference(tp->root);
+
+ head->deleting = true;
+ *last = true;
+ return 0;
}
static void mall_walk(struct tcf_proto *tp, struct tcf_walker *arg,
@@ -269,7 +274,7 @@ static void mall_walk(struct tcf_proto *tp, struct tcf_walker *arg,
if (arg->count < arg->skip)
goto skip;
- if (!head)
+ if (!head || head->deleting)
return;
if (arg->fn(tp, head, arg) < 0)
arg->stop = 1;