diff --git a/[refs] b/[refs]
index 5986c7a6f625..8f1561bf549d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b6d048641a979d56730c28411df88d0f55184f24
+refs/heads/master: b3943aef7ecfcc47609136f46773e9a839c950b0
diff --git a/trunk/drivers/net/tun.c b/trunk/drivers/net/tun.c
index a1b2389e6d7f..14a04543cd91 100644
--- a/trunk/drivers/net/tun.c
+++ b/trunk/drivers/net/tun.c
@@ -1591,7 +1591,8 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
 
 		tun_net_init(dev);
 
-		if (tun_flow_init(tun))
+		err = tun_flow_init(tun);
+		if (err < 0)
 			goto err_free_dev;
 
 		dev->hw_features = NETIF_F_SG | NETIF_F_FRAGLIST |