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-rw-r--r--net/sysctl_net.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/net/sysctl_net.c b/net/sysctl_net.c
index 3865c4f76b82..2b2986dd04ae 100644
--- a/net/sysctl_net.c
+++ b/net/sysctl_net.c
@@ -88,9 +88,18 @@ static struct pernet_operations sysctl_pernet_ops = {
.exit = sysctl_net_exit,
};
+static struct ctl_table_header *net_header;
static __init int net_sysctl_init(void)
{
- int ret;
+ static struct ctl_table empty[1];
+ int ret = -ENOMEM;
+ /* Avoid limitations in the sysctl implementation by
+ * registering "/proc/sys/net" as an empty directory not in a
+ * network namespace.
+ */
+ net_header = register_sysctl("net", empty);
+ if (!net_header)
+ goto out;
ret = register_pernet_subsys(&sysctl_pernet_ops);
if (ret)
goto out;