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xen/netfront: teardown the device before unregistering it. 

Fixes:
[   15.470311] WARNING: at /local/scratch/ianc/devel/kernels/linux/fs/sysfs/file.c:498 sysfs_attr_ns+0x95/0xa0()
[   15.470326] sysfs: kobject eth0 without dirent
[   15.470333] Modules linked in:
[   15.470342] Pid: 12, comm: xenwatch Not tainted 3.4.0-x86_32p-xenU #93
and
[    9.150554] BUG: unable to handle kernel paging request at 2b359000
[    9.150577] IP: [<c1279561>] linkwatch_do_dev+0x81/0xc0
[    9.150592] *pdpt = 000000002c3c9027 *pde = 0000000000000000
[    9.150604] Oops: 0002 [#1] SMP
[    9.150613] Modules linked in:

This is http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=675190

Reported-by: George Shuklin <george.shuklin@gmail.com>
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Tested-by: William Dauchy <wdauchy@gmail.com>
Cc: stable@kernel.org
Cc: 675190@bugs.debian.org
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ian Campbell 2012-06-25 22:48:41 +00:00 committed by David S. Miller
parent 149ddd83a9
commit 6bc96d047f
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/xen-netfront.c
View File

@ -1935,14 +1935,14 @@ static int __devexit xennet_remove(struct xenbus_device *dev)
dev_dbg(&dev->dev, "%s\n", dev->nodename);
unregister_netdev(info->netdev);
xennet_disconnect_backend(info);
del_timer_sync(&info->rx_refill_timer);
xennet_sysfs_delif(info->netdev);
unregister_netdev(info->netdev);
del_timer_sync(&info->rx_refill_timer);
free_percpu(info->stats);
free_netdev(info->netdev);