1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 32ad87345f57..0a2c0a42283f 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1879,6 +1879,9 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
 
 err_detach:
         tun_detach_all(dev);
+        /* register_netdevice() already called tun_free_netdev() */
+        goto err_free_dev;
+
 err_free_flow:
         tun_flow_uninit(tun);
         security_tun_dev_free_security(tun->security);