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xen-netfront: Fix mismatched rtnl_unlock 

Fixes: f599c64fdf ("xen-netfront: Fix race between device setup and open")
Reported-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ross Lagerwall 2018-06-21 14:00:20 +01:00 committed by David S. Miller
parent 44a5cd436e
commit cb257783c2
1 changed files with 2 additions and 1 deletions
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3
drivers/net/xen-netfront.c
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@ -1810,7 +1810,7 @@ static int talk_to_netback(struct xenbus_device *dev,
err = xen_net_read_mac(dev, info->netdev->dev_addr);
if (err) {
xenbus_dev_fatal(dev, err, "parsing %s/mac", dev->nodename);
goto out;
goto out_unlocked;
}
rtnl_lock();
@ -1925,6 +1925,7 @@ static int talk_to_netback(struct xenbus_device *dev,
xennet_destroy_queues(info);
out:
rtnl_unlock();
out_unlocked:
device_unregister(&dev->dev);
return err;
}