提交 b3943aef 编写于 作者: P Paul Moore 提交者: David S. Miller

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: NPaul Moore <pmoore@redhat.com>
Acked-by: NJason Wang <jasowang@redhat.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 b6d04864
......@@ -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 |
......
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