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tun: correctly report an error in tun_flow_init()

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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>
This commit is contained in:
Paul Moore 2012-12-06 05:48:38 +00:00 committed by David S. Miller
parent b6d048641a
commit b3943aef7e
1 changed files with 2 additions and 1 deletions
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3
drivers/net/tun.c
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@ -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 |