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authorShan Wei <shanwei@cn.fujitsu.com>2008-02-01 03:47:27 +0300
committerDavid S. Miller <davem@davemloft.net>2008-02-01 06:28:23 +0300
commit16ca3f913001efdb6171a2781ef41c77474e3895 (patch)
tree5e679d3bdf9ce714895b47d1d4ecfb2d08f68c79 /net/ipv4/sysctl_net_ipv4.c
parent71d67e666e73e3b7e9ef124745ee2e454ac04be8 (diff)
downloadlinux-16ca3f913001efdb6171a2781ef41c77474e3895.tar.xz
[TCP]: Fix a bug in strategy_allowed_congestion_control
In strategy_allowed_congestion_control of the 2.6.24 kernel, when sysctl_string return 1 on success,it should call tcp_set_allowed_congestion_control to set the allowed congestion control.But, it don't. the sysctl_string return 1 on success, otherwise return negative, never return 0.The patch fix the problem. Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/sysctl_net_ipv4.c')
-rw-r--r--net/ipv4/sysctl_net_ipv4.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 82cdf23837e3..88286f35d1e2 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -185,7 +185,7 @@ static int strategy_allowed_congestion_control(ctl_table *table, int __user *nam
tcp_get_available_congestion_control(tbl.data, tbl.maxlen);
ret = sysctl_string(&tbl, name, nlen, oldval, oldlenp, newval, newlen);
- if (ret == 0 && newval && newlen)
+ if (ret == 1 && newval && newlen)
ret = tcp_set_allowed_congestion_control(tbl.data);
kfree(tbl.data);