ltq-atm: cleanup unused variables and functions
authorMartin Schiller <ms@dev.tdt.de>
Mon, 8 Jan 2018 08:54:59 +0000 (09:54 +0100)
committerAlexander Couzens <lynxis@fe80.eu>
Mon, 5 Feb 2018 16:45:54 +0000 (17:45 +0100)
Signed-off-by: Martin Schiller <ms@dev.tdt.de>
package/kernel/lantiq/ltq-atm/src/ltq_atm.c

index f306d19..0b9d7a0 100644 (file)
@@ -191,8 +191,6 @@ struct sk_buff* atm_alloc_tx(struct atm_vcc *, unsigned int);
 static inline void atm_free_tx_skb_vcc(struct sk_buff *, struct atm_vcc *);
 static inline struct sk_buff *get_skb_rx_pointer(unsigned int);
 static inline int get_tx_desc(unsigned int);
-static struct sk_buff* skb_duplicate(struct sk_buff *);
-static struct sk_buff* skb_break_away_from_protocol(struct sk_buff *);
 
 /*
  *  mailbox handler and signal function
@@ -523,7 +521,6 @@ static int ppe_send(struct atm_vcc *vcc, struct sk_buff *skb)
        unsigned long flags;
        struct tx_descriptor reg_desc = {0};
        struct tx_inband_header *header;
-       struct sk_buff *new_skb;
 
        if ( vcc == NULL || skb == NULL )
                return -EINVAL;
@@ -856,44 +853,6 @@ static inline int get_tx_desc(unsigned int conn)
        return desc_base;
 }
 
-static struct sk_buff* skb_duplicate(struct sk_buff *skb)
-{
-       struct sk_buff *new_skb;
-
-       new_skb = alloc_skb_tx(skb->len);
-       if ( new_skb == NULL )
-               return NULL;
-
-       skb_put(new_skb, skb->len);
-       memcpy(new_skb->data, skb->data, skb->len);
-
-       return new_skb;
-}
-
-static struct sk_buff* skb_break_away_from_protocol(struct sk_buff *skb)
-{
-       struct sk_buff *new_skb;
-
-       if ( skb_shared(skb) ) {
-               new_skb = skb_clone(skb, GFP_ATOMIC);
-               if ( new_skb == NULL )
-                       return NULL;
-       } else
-               new_skb = skb_get(skb);
-
-       skb_dst_drop(new_skb);
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
-       nf_conntrack_put(new_skb->nfct);
-       new_skb->nfct = NULL;
-  #ifdef CONFIG_BRIDGE_NETFILTER
-       nf_bridge_put(new_skb->nf_bridge);
-       new_skb->nf_bridge = NULL;
-  #endif
-#endif
-
-       return new_skb;
-}
-
 static void free_tx_ring(unsigned int queue)
 {
        unsigned long flags;