[PATCH] net/tun: Call notifiers before and after changing device type

[Martin Schiller]

Signed-off-by: Martin Schiller <m...@dev.tdt.de>
---
 drivers/net/tun.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index be69d272052f..8253c5b03105 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -3124,9 +3124,11 @@ static long __tun_chr_ioctl(struct file *file, unsigned 
int cmd,
                                   "Linktype set failed because interface is 
up\n");
                        ret = -EBUSY;
                } else {
+                       call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, 
tun->dev);
                        tun->dev->type = (int) arg;
                        netif_info(tun, drv, tun->dev, "linktype set to %d\n",
                                   tun->dev->type);
+                       call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, 
tun->dev);
                        ret = 0;
                }
                break;
-- 
2.20.1