#include <linux/x25.h>
#include <linux/lapb.h>
#include <linux/init.h>
+#include <linux/rtnetlink.h>
#include "x25_asy.h"
#include <net/x25device.h>
if (!sl || sl->magic != X25_ASY_MAGIC)
return;
+ rtnl_lock();
if (sl->dev->flags & IFF_UP)
dev_close(sl->dev);
+ rtnl_unlock();
tty->disc_data = NULL;
sl->tty = NULL;