[NET_SCHED]: Unline tcf_destroy

Uninline tcf_destroy and add a helper function to destroy an entire filter
chain.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 18 insertions, 0 deletions

diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 58732509160d..5b5bce0694e2 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1220,6 +1220,24 @@ reclassify:
         return -1;
 }
 
+void tcf_destroy(struct tcf_proto *tp)
+{
+        tp->ops->destroy(tp);
+        module_put(tp->ops->owner);
+        kfree(tp);
+}
+
+void tcf_destroy_chain(struct tcf_proto *fl)
+{
+        struct tcf_proto *tp;
+
+        while ((tp = fl) != NULL) {
+                fl = tp->next;
+                tcf_destroy(tp);
+        }
+}
+EXPORT_SYMBOL(tcf_destroy_chain);
+
 #ifdef CONFIG_PROC_FS
 static int psched_show(struct seq_file *seq, void *v)
 {