[PATCH v2] ipv4: make tcp_notsent_lowat sysctl knob behave as true unsigned int
From: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Date: 2017-01-09 07:46:44
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Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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> --- net/ipv4/sysctl_net_ipv4.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 80bc36b..566cfc5 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c@@ -958,7 +958,7 @@ 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, }, #ifdef CONFIG_IP_ROUTE_MULTIPATH {
--
2.9.3