tcp: remove unused parameter of tcp_sacktag_bsearch()

parameter state in the tcp_sacktag_bsearch() is not used.
So, it can be removed.

Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 10 deletions

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 7a027dec649b..6ac274249961 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1574,9 +1574,7 @@ static struct sk_buff *tcp_sacktag_walk(struct sk_buff *skb, struct sock *sk,
         return skb;
 }
 
-static struct sk_buff *tcp_sacktag_bsearch(struct sock *sk,
-                                           struct tcp_sacktag_state *state,
-                                           u32 seq)
+static struct sk_buff *tcp_sacktag_bsearch(struct sock *sk, u32 seq)
 {
         struct rb_node *parent, **p = &sk->tcp_rtx_queue.rb_node;
         struct sk_buff *skb;
@@ -1598,13 +1596,12 @@ static struct sk_buff *tcp_sacktag_bsearch(struct sock *sk,
 }
 
 static struct sk_buff *tcp_sacktag_skip(struct sk_buff *skb, struct sock *sk,
-                                        struct tcp_sacktag_state *state,
                                         u32 skip_to_seq)
 {
         if (skb && after(TCP_SKB_CB(skb)->seq, skip_to_seq))
                 return skb;
 
-        return tcp_sacktag_bsearch(sk, state, skip_to_seq);
+        return tcp_sacktag_bsearch(sk, skip_to_seq);
 }
 
 static struct sk_buff *tcp_maybe_skipping_dsack(struct sk_buff *skb,
@@ -1617,7 +1614,7 @@ static struct sk_buff *tcp_maybe_skipping_dsack(struct sk_buff *skb,
                 return skb;
 
         if (before(next_dup->start_seq, skip_to_seq)) {
-                skb = tcp_sacktag_skip(skb, sk, state, next_dup->start_seq);
+                skb = tcp_sacktag_skip(skb, sk, next_dup->start_seq);
                 skb = tcp_sacktag_walk(skb, sk, NULL, state,
                                        next_dup->start_seq, next_dup->end_seq,
                                        1);
@@ -1758,8 +1755,7 @@ tcp_sacktag_write_queue(struct sock *sk, const struct sk_buff *ack_skb,
 
                         /* Head todo? */
                         if (before(start_seq, cache->start_seq)) {
-                                skb = tcp_sacktag_skip(skb, sk, state,
-                                                       start_seq);
+                                skb = tcp_sacktag_skip(skb, sk, start_seq);
                                 skb = tcp_sacktag_walk(skb, sk, next_dup,
                                                        state,
                                                        start_seq,
@@ -1785,7 +1781,7 @@ tcp_sacktag_write_queue(struct sock *sk, const struct sk_buff *ack_skb,
                                 goto walk;
                         }
 
-                        skb = tcp_sacktag_skip(skb, sk, state, cache->end_seq);
+                        skb = tcp_sacktag_skip(skb, sk, cache->end_seq);
                         /* Check overlap against next cached too (past this one already) */
                         cache++;
                         continue;
@@ -1796,7 +1792,7 @@ tcp_sacktag_write_queue(struct sock *sk, const struct sk_buff *ack_skb,
                         if (!skb)
                                 break;
                 }
-                skb = tcp_sacktag_skip(skb, sk, state, start_seq);
+                skb = tcp_sacktag_skip(skb, sk, start_seq);
 
 walk:
                 skb = tcp_sacktag_walk(skb, sk, next_dup, state,