netdev - [PATCH net] tcp: delete unused parameter in tcp_nagle

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Date:	Mon, 24 Mar 2014 14:49:34 +0800
From:	Weiping Pan <panweiping3@...il.com>
To:	netdev@...r.kernel.org
Cc:	edumazet@...gle.com
Subject: [PATCH net] tcp: delete unused parameter in tcp_nagle_check()

After commit d4589926d7a9 (tcp: refine TSO splits), tcp_nagle_check() does
not use parameter mss_now anymore.

Signed-off-by: Weiping Pan <panweiping3@...il.com>
---
 net/ipv4/tcp_output.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 17a11e6..fbf4403 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1426,7 +1426,7 @@ static void tcp_minshall_update(struct tcp_sock *tp, unsigned int mss_now,
  *    With Minshall's modification: all sent small packets are ACKed.
  */
 static bool tcp_nagle_check(bool partial, const struct tcp_sock *tp,
-			    unsigned int mss_now, int nonagle)
+			    int nonagle)
 {
 	return partial &&
 		((nonagle & TCP_NAGLE_CORK) ||
@@ -1458,7 +1458,7 @@ static unsigned int tcp_mss_split_point(const struct sock *sk,
 	 * to include this last segment in this skb.
 	 * Otherwise, we'll split the skb at last MSS boundary
 	 */
-	if (tcp_nagle_check(partial != 0, tp, mss_now, nonagle))
+	if (tcp_nagle_check(partial != 0, tp, nonagle))
 		return needed - partial;
 
 	return needed;
@@ -1521,7 +1521,7 @@ static inline bool tcp_nagle_test(const struct tcp_sock *tp, const struct sk_buf
 	if (tcp_urg_mode(tp) || (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN))
 		return true;
 
-	if (!tcp_nagle_check(skb->len < cur_mss, tp, cur_mss, nonagle))
+	if (!tcp_nagle_check(skb->len < cur_mss, tp, nonagle))
 		return true;
 
 	return false;
-- 
1.7.4

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