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authorDavid S. Miller <davem@davemloft.net>2018-06-22 07:54:54 +0900
committerDavid S. Miller <davem@davemloft.net>2018-06-22 07:54:54 +0900
commit962c661f14ad08d524f4870eeaa2d0856b830840 (patch)
tree3f7035bbec6bcef69441ea6f93c4fcaf15c6f38c
parent44a5cd436ec067c9a62988aca3331ac6eee5268d (diff)
parent45c8184c1bed1ca8a7f02918552063a00b909bf5 (diff)
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Merge branch 'xen-netfront-fixes'
Ross Lagerwall says: ==================== xen-netfront: Fix issues with commit f599c64fdf7d Fix a couple of issues with commit f599c64fdf7d ("xen-netfront: Fix race between device setup and open"). ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/xen-netfront.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 922ce0abf5cf..a57daecf1d57 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 @@ abort_transaction_no_dev_fatal:
xennet_destroy_queues(info);
out:
rtnl_unlock();
+out_unlocked:
device_unregister(&dev->dev);
return err;
}
@@ -1950,10 +1951,6 @@ static int xennet_connect(struct net_device *dev)
/* talk_to_netback() sets the correct number of queues */
num_queues = dev->real_num_tx_queues;
- rtnl_lock();
- netdev_update_features(dev);
- rtnl_unlock();
-
if (dev->reg_state == NETREG_UNINITIALIZED) {
err = register_netdev(dev);
if (err) {
@@ -1963,6 +1960,10 @@ static int xennet_connect(struct net_device *dev)
}
}
+ rtnl_lock();
+ netdev_update_features(dev);
+ rtnl_unlock();
+
/*
* All public and private state should now be sane. Get
* ready to start sending and receiving packets and give the driver