dccp: remove obsolete code

This function is defined but not used.
Remove it now, can be resurrected if ever needed.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 30948784dd58ff0a35df38b075c3bebd53f90cbe..c67816647cce9d8b9fac7283179235ee1b642073 100644 (file)
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -479,7 +479,6 @@ void dccp_feat_list_purge(struct list_head *fn_list);
 
 int dccp_insert_options(struct sock *sk, struct sk_buff *skb);
 int dccp_insert_options_rsk(struct dccp_request_sock *, struct sk_buff *);
-int dccp_insert_option_elapsed_time(struct sk_buff *skb, u32 elapsed);
 u32 dccp_timestamp(void);
 void dccp_timestamping_init(void);
 int dccp_insert_option(struct sk_buff *skb, unsigned char option,

diff --git a/net/dccp/options.c b/net/dccp/options.c
index a58e0b6340506d1d2123bad650757acf36b7334d..9bce31886bda4e285d89e0f5d8d344956f01ce00 100644 (file)
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -343,38 +343,6 @@ static inline int dccp_elapsed_time_len(const u32 elapsed_time)
        return elapsed_time == 0 ? 0 : elapsed_time <= 0xFFFF ? 2 : 4;
 }
 
-/* FIXME: This function is currently not used anywhere */
-int dccp_insert_option_elapsed_time(struct sk_buff *skb, u32 elapsed_time)
-{
-       const int elapsed_time_len = dccp_elapsed_time_len(elapsed_time);
-       const int len = 2 + elapsed_time_len;
-       unsigned char *to;
-
-       if (elapsed_time_len == 0)
-               return 0;
-
-       if (DCCP_SKB_CB(skb)->dccpd_opt_len + len > DCCP_MAX_OPT_LEN)
-               return -1;
-
-       DCCP_SKB_CB(skb)->dccpd_opt_len += len;
-
-       to    = skb_push(skb, len);
-       *to++ = DCCPO_ELAPSED_TIME;
-       *to++ = len;
-
-       if (elapsed_time_len == 2) {
-               const __be16 var16 = htons((u16)elapsed_time);
-               memcpy(to, &var16, 2);
-       } else {
-               const __be32 var32 = htonl(elapsed_time);
-               memcpy(to, &var32, 4);
-       }
-
-       return 0;
-}
-
-EXPORT_SYMBOL_GPL(dccp_insert_option_elapsed_time);
-
 static int dccp_insert_option_timestamp(struct sk_buff *skb)
 {
        __be32 now = htonl(dccp_timestamp());