4.17-stable review patch. If anyone has any objections, please let me know.
------------------ From: Ross Lagerwall <[email protected]> [ Upstream commit cb257783c2927b73614b20f915a91ff78aa6f3e8 ] Fixes: f599c64fdf7d ("xen-netfront: Fix race between device setup and open") Reported-by: Ben Hutchings <[email protected]> Signed-off-by: Ross Lagerwall <[email protected]> Reviewed-by: Juergen Gross <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/net/xen-netfront.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -1810,7 +1810,7 @@ static int talk_to_netback(struct xenbus 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 @@ abort_transaction_no_dev_fatal: xennet_destroy_queues(info); out: rtnl_unlock(); +out_unlocked: device_unregister(&dev->dev); return err; }
