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authorIan Campbell <Ian.Campbell@citrix.com>2012-06-25 22:48:41 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-16 09:03:49 -0700
commit3cc270f7fcd34b08d37ed51fb4c25b0f513f2e65 (patch)
treea981089029749811a5f586b2d15ebe6eefc4bed2
parentf7153a449ce35459169a790ba6cce8830c116894 (diff)
xen/netfront: teardown the device before unregistering it.
[ Upstream commit 6bc96d047fe32d76ef79f3195c52a542edf7c705 ] 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/xen-netfront.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 0ebbb1906c3..796afbf13eb 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -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);