Patch-mainline: v4.18-rc3
Git-commit: cb257783c2927b73614b20f915a91ff78aa6f3e8
References: git-fixes
From: Ross Lagerwall <ross.lagerwall@citrix.com>
Date: Thu, 21 Jun 2018 14:00:20 +0100
Subject: [PATCH] xen-netfront: Fix mismatched rtnl_unlock
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: Juergen Gross <jgross@suse.com>
---
drivers/net/xen-netfront.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 922ce0abf5cf..ee4cb6cfde1e 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -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;
}
--
2.35.3