1 files changed, 2 insertions, 3 deletions

diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index 857eefc52aab..af0aca1e6be6 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -6,7 +6,6 @@
  * Copyright (C) 2005 Stephen Hemminger <shemminger@osdl.org>
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/mm.h>
 #include <linux/types.h>
@@ -49,7 +48,7 @@ int tcp_register_congestion_control(struct tcp_congestion_ops *ca)
                 printk(KERN_NOTICE "TCP %s already registered\n", ca->name);
                 ret = -EEXIST;
         } else {
-                list_add_rcu(&ca->list, &tcp_cong_list);
+                list_add_tail_rcu(&ca->list, &tcp_cong_list);
                 printk(KERN_INFO "TCP %s registered\n", ca->name);
         }
         spin_unlock(&tcp_cong_list_lock);
@@ -190,7 +189,7 @@ void tcp_slow_start(struct tcp_sock *tp)
                         return;
 
                 /* We MAY increase by 2 if discovered delayed ack */
-                if (sysctl_tcp_abc > 1 && tp->bytes_acked > 2*tp->mss_cache) {
+                if (sysctl_tcp_abc > 1 && tp->bytes_acked >= 2*tp->mss_cache) {
                         if (tp->snd_cwnd < tp->snd_cwnd_clamp)
                                 tp->snd_cwnd++;
                 }