Re: linux-next: Tree for November 7

[Bartlomiej Zolnierkiewicz]

Hi,

On Friday 07 November 2008, Stephen Rothwell wrote:
> Hi all,
> 
> Changes since 20081106:

The following patch fixes the panic on loopback device registration
(patch is an interdiff between old and new version of "net: Guaranetee
the proper ordering of the loopback device." fix from Eric).

[ I'm sure this will get fixed in -net tree (if not fixed already)
  but at the moment it is needed for linux-next. ]

---
 net/core/dev.c |   34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

Index: b/net/core/dev.c
===================================================================
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4913,21 +4913,6 @@ static int __init net_dev_init(void)
 	if (register_pernet_subsys(&netdev_net_ops))
 		goto out;
 
-	/* The loopback device is special if any other network devices
-	 * is present in a network namespace the loopback device must
-	 * be present. Since we now dynamically allocate and free the
-	 * loopback device ensure this invariant is maintained by
-	 * keeping the loopback device as the first device on the
-	 * list of network devices.  Ensuring the loopback devices
-	 * is the first device that appears and the last network device
-	 * that disappears.
-	 */
-	if (register_pernet_device(&loopback_net_ops))
-		goto out;
-
-	if (register_pernet_device(&default_device_ops))
-		goto out;
-
 	/*
 	 *	Initialise the packet receive queues.
 	 */
@@ -4944,10 +4929,25 @@ static int __init net_dev_init(void)
 		queue->backlog.weight = weight_p;
 	}
 
-	netdev_dma_register();
-
 	dev_boot_phase = 0;
 
+	/* The loopback device is special if any other network devices
+	 * is present in a network namespace the loopback device must
+	 * be present. Since we now dynamically allocate and free the
+	 * loopback device ensure this invariant is maintained by
+	 * keeping the loopback device as the first device on the
+	 * list of network devices.  Ensuring the loopback devices
+	 * is the first device that appears and the last network device
+	 * that disappears.
+	 */
+	if (register_pernet_device(&loopback_net_ops))
+		goto out;
+
+	if (register_pernet_device(&default_device_ops))
+		goto out;
+
+	netdev_dma_register();
+
 	open_softirq(NET_TX_SOFTIRQ, net_tx_action);
 	open_softirq(NET_RX_SOFTIRQ, net_rx_action);
 
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