sched: remove qdisc->drop

after removal of TCA_CBQ_OVL_STRATEGY from cbq scheduler, there are no
more callers of ->drop() outside of other ->drop functions, i.e.
nothing calls them.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 36 deletions

diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index a9aec633d467..4dedb7f12ed5 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -174,7 +174,6 @@ struct Qdisc_ops {
         int                     (*enqueue)(struct sk_buff *, struct Qdisc *);
         struct sk_buff *        (*dequeue)(struct Qdisc *);
         struct sk_buff *        (*peek)(struct Qdisc *);
-        unsigned int            (*drop)(struct Qdisc *);
 
         int                     (*init)(struct Qdisc *, struct nlattr *arg);
         void                    (*reset)(struct Qdisc *);
@@ -658,22 +657,6 @@ static inline unsigned int qdisc_queue_drop_head(struct Qdisc *sch)
         return __qdisc_queue_drop_head(sch, &sch->q);
 }
 
-static inline struct sk_buff *__qdisc_dequeue_tail(struct Qdisc *sch,
-                                                   struct sk_buff_head *list)
-{
-        struct sk_buff *skb = __skb_dequeue_tail(list);
-
-        if (likely(skb != NULL))
-                qdisc_qstats_backlog_dec(sch, skb);
-
-        return skb;
-}
-
-static inline struct sk_buff *qdisc_dequeue_tail(struct Qdisc *sch)
-{
-        return __qdisc_dequeue_tail(sch, &sch->q);
-}
-
 static inline struct sk_buff *qdisc_peek_head(struct Qdisc *sch)
 {
         return skb_peek(&sch->q);
@@ -741,25 +724,6 @@ static inline struct Qdisc *qdisc_replace(struct Qdisc *sch, struct Qdisc *new,
         return old;
 }
 
-static inline unsigned int __qdisc_queue_drop(struct Qdisc *sch,
-                                              struct sk_buff_head *list)
-{
-        struct sk_buff *skb = __qdisc_dequeue_tail(sch, list);
-
-        if (likely(skb != NULL)) {
-                unsigned int len = qdisc_pkt_len(skb);
-                kfree_skb(skb);
-                return len;
-        }
-
-        return 0;
-}
-
-static inline unsigned int qdisc_queue_drop(struct Qdisc *sch)
-{
-        return __qdisc_queue_drop(sch, &sch->q);
-}
-
 static inline int qdisc_drop(struct sk_buff *skb, struct Qdisc *sch)
 {
         kfree_skb(skb);