4.17-stable review patch. If anyone has any objections, please let me know.
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From: Ross Lagerwall ross.lagerwall@citrix.com
[ Upstream commit cb257783c2927b73614b20f915a91ff78aa6f3e8 ]
Fixes: f599c64fdf7d ("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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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; }