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ipip: dereferencing an ERR_PTR in ip_tunnel_init_net() 

We need to move the derefernce after the IS_ERR() check.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter 2013-08-19 10:05:10 +03:00 committed by David S. Miller
parent 0dde80268e
commit ea857f28ab
1 changed files with 4 additions and 4 deletions
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8
net/ipv4/ip_tunnel.c
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@ -854,14 +854,14 @@ int ip_tunnel_init_net(struct net *net, int ip_tnl_net_id,
rtnl_lock(); rtnl_lock();
itn->fb_tunnel_dev = __ip_tunnel_create(net, ops, &parms); itn->fb_tunnel_dev = __ip_tunnel_create(net, ops, &parms);
/* FB netdevice is special: we have one, and only one per netns.
* Allowing to move it to another netns is clearly unsafe.
*/
itn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL;
rtnl_unlock(); rtnl_unlock();
if (IS_ERR(itn->fb_tunnel_dev)) if (IS_ERR(itn->fb_tunnel_dev))
return PTR_ERR(itn->fb_tunnel_dev); return PTR_ERR(itn->fb_tunnel_dev);
/* FB netdevice is special: we have one, and only one per netns.
* Allowing to move it to another netns is clearly unsafe.
*/
itn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL;
return 0; return 0;
} }