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ipv4: make tcp_notsent_lowat sysctl knob behave as true unsigned int

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> cat /proc/sys/net/ipv4/tcp_notsent_lowat
-1
> echo 4294967295 > /proc/sys/net/ipv4/tcp_notsent_lowat
-bash: echo: write error: Invalid argument
> echo -2147483648 > /proc/sys/net/ipv4/tcp_notsent_lowat
> cat /proc/sys/net/ipv4/tcp_notsent_lowat
-2147483648

but in documentation we have "tcp_notsent_lowat - UNSIGNED INTEGER"

v2: simplify to just proc_douintvec
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Tikhomirov 2017-01-09 10:45:49 +03:00 committed by David S. Miller
parent 67c408cfa8
commit b007f09072
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/sysctl_net_ipv4.c
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@ -951,7 +951,7 @@ static struct ctl_table ipv4_net_table[] = {
.data = &init_net.ipv4.sysctl_tcp_notsent_lowat,
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = proc_dointvec,
.proc_handler = proc_douintvec,
},
{
.procname = "tcp_tw_reuse",