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Date:   Fri, 26 Apr 2019 02:33:40 +0200
From:   Pablo Neira Ayuso <>
Subject: [PATCH net-next,RFC 3/9] net: sched: add tcf_block_cb_free()

Just a stub to release tcf_block_cb objects, follow up patch extends it
to have a release callback in it for the private data.

Signed-off-by: Pablo Neira Ayuso <>
 include/net/pkt_cls.h | 1 +
 net/sched/cls_api.c   | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index 8ddfbe94e253..565775289b41 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -73,6 +73,7 @@ static inline struct Qdisc *tcf_block_q(struct tcf_block *block)
 struct tcf_block_cb *tcf_block_cb_alloc(tc_setup_cb_t *cb,
 					void *cb_ident, void *cb_priv);
+void tcf_block_cb_free(struct tcf_block_cb *block_cb);
 void *tcf_block_cb_priv(struct tcf_block_cb *block_cb);
 struct tcf_block_cb *tcf_block_cb_lookup(struct tcf_block *block,
 					 tc_setup_cb_t *cb, void *cb_ident);
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index ddfccf31aac9..9f61a2c3cf6f 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -766,6 +766,12 @@ struct tcf_block_cb *tcf_block_cb_alloc(tc_setup_cb_t *cb,
+void tcf_block_cb_free(struct tcf_block_cb *block_cb)
+	kfree(block_cb);
 struct tcf_block_cb *__tcf_block_cb_register(struct tcf_block *block,
 					     tc_setup_cb_t *cb, void *cb_ident,
 					     void *cb_priv,

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