ipv4: Namespecify tcp_keepalive_probes sysctl knob

This is required to have full tcp keepalive mechanism namespace
support.

Signed-off-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 6e14ff9a8580..ed98de85871e 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2386,6 +2386,7 @@ static int __net_init tcp_sk_init(struct net *net)
         net->ipv4.sysctl_tcp_probe_interval = TCP_PROBE_INTERVAL;
 
         net->ipv4.sysctl_tcp_keepalive_time = TCP_KEEPALIVE_TIME;
+        net->ipv4.sysctl_tcp_keepalive_probes = TCP_KEEPALIVE_PROBES;
 
         return 0;
 fail: