net/core:Remove memleak reports by kmemleak_not_leak.

Signed-off-by: majianpeng <majianpeng@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/core/sysctl_net_core.c

@@ -256,7 +256,7 @@ static __init int sysctl_core_init(void)
 {
 	static struct ctl_table empty[1];
 
-	register_sysctl_paths(net_core_path, empty);
+	kmemleak_not_leak(register_sysctl_paths(net_core_path, empty));
 	register_net_sysctl_rotable(net_core_path, net_core_table);
 	return register_pernet_subsys(&sysctl_core_ops);
 }