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authorEric Dumazet <edumazet@google.com>2017-10-26 21:55:03 -0700
committerDavid S. Miller <davem@davemloft.net>2017-10-27 16:35:42 +0900
commit65c9410cf55ecf32da1b720f563365d565d6289a (patch)
treed61a42285add8a9622bbbf1d92263a267c8812bf /net/ipv4
parent625357aa175c688d219da43c8cfaa2e1629e0e1a (diff)
tcp: Namespace-ify sysctl_tcp_abort_on_overflow
Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/sysctl_net_ipv4.c14
-rw-r--r--net/ipv4/tcp_minisocks.c4
2 files changed, 8 insertions, 10 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 832e554235df..ffd1fd769bba 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -394,13 +394,6 @@ static struct ctl_table ipv4_table[] = {
.proc_handler = proc_dointvec
},
{
- .procname = "tcp_abort_on_overflow",
- .data = &sysctl_tcp_abort_on_overflow,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec
- },
- {
.procname = "inet_peer_threshold",
.data = &inet_peer_threshold,
.maxlen = sizeof(int),
@@ -1145,6 +1138,13 @@ static struct ctl_table ipv4_net_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec
},
+ {
+ .procname = "tcp_abort_on_overflow",
+ .data = &init_net.ipv4.sysctl_tcp_abort_on_overflow,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec
+ },
{ }
};
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 11836667763c..3674d63170b2 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -29,8 +29,6 @@
#include <net/xfrm.h>
#include <net/busy_poll.h>
-int sysctl_tcp_abort_on_overflow __read_mostly;
-
static bool tcp_in_window(u32 seq, u32 end_seq, u32 s_win, u32 e_win)
{
if (seq == s_win)
@@ -783,7 +781,7 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb,
return inet_csk_complete_hashdance(sk, child, req, own_req);
listen_overflow:
- if (!sysctl_tcp_abort_on_overflow) {
+ if (!sock_net(sk)->ipv4.sysctl_tcp_abort_on_overflow) {
inet_rsk(req)->acked = 1;
return NULL;
}