From b3943aef7ecfcc47609136f46773e9a839c950b0 Mon Sep 17 00:00:00 2001 From: Paul Moore <pmoore@redhat.com> Date: Thu, 6 Dec 2012 05:48:38 +0000 Subject: [PATCH] tun: correctly report an error in tun_flow_init() On error, the error code from tun_flow_init() is lost inside tun_set_iff(), this patch fixes this by assigning the tun_flow_init() error code to the "err" variable which is returned by the tun_flow_init() function on error. Signed-off-by: Paul Moore <pmoore@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> --- drivers/net/tun.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/tun.c b/drivers/net/tun.c index a1b2389e6d7f..14a04543cd91 100644 --- a/drivers/net/tun.c +++ b/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 |