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Diffstat (limited to 'net/sched/cls_rsvp.h')
-rw-r--r--net/sched/cls_rsvp.h18
1 files changed, 14 insertions, 4 deletions
diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h
index 02fa82792dab..f9c9fc075fe6 100644
--- a/net/sched/cls_rsvp.h
+++ b/net/sched/cls_rsvp.h
@@ -283,12 +283,22 @@ static int rsvp_init(struct tcf_proto *tp)
return -ENOBUFS;
}
-static void
-rsvp_delete_filter(struct tcf_proto *tp, struct rsvp_filter *f)
+static void rsvp_delete_filter_rcu(struct rcu_head *head)
{
- tcf_unbind_filter(tp, &f->res);
+ struct rsvp_filter *f = container_of(head, struct rsvp_filter, rcu);
+
tcf_exts_destroy(&f->exts);
- kfree_rcu(f, rcu);
+ kfree(f);
+}
+
+static void rsvp_delete_filter(struct tcf_proto *tp, struct rsvp_filter *f)
+{
+ tcf_unbind_filter(tp, &f->res);
+ /* all classifiers are required to call tcf_exts_destroy() after rcu
+ * grace period, since converted-to-rcu actions are relying on that
+ * in cleanup() callback
+ */
+ call_rcu(&f->rcu, rsvp_delete_filter_rcu);
}
static bool rsvp_destroy(struct tcf_proto *tp, bool force)