Commit 16ca3f91 authored by Shan Wei's avatar Shan Wei Committed by David S. Miller
Browse files

[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: default avatarShan Wei <>
Acked-by: default avatarStephen Hemminger <>
Signed-off-by: default avatarDavid S. Miller <>
parent 71d67e66
......@@ -185,7 +185,7 @@ static int strategy_allowed_congestion_control(ctl_table *table, int __user *nam
tcp_get_available_congestion_control(, 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(;
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