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vmbus: unregister device_obj->channels_kset 

Without the patch, a device can't be thoroughly destroyed, because
vmbus_device_register() -> kset_create_and_add() still holds a reference
to the hv_device's device.kobj.

Signed-off-by: Dexuan Cui <decui@microsoft.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Fixes: c2e5df616e ("vmbus: add per-channel sysfs info")
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dexuan Cui 2017-11-14 06:53:32 -07:00 committed by Greg Kroah-Hartman
parent 74657181e7
commit 869b5567e1
1 changed files with 2 additions and 0 deletions
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2
drivers/hv/vmbus_drv.c
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@ -1378,6 +1378,8 @@ void vmbus_device_unregister(struct hv_device *device_obj)
pr_debug("child device %s unregistered\n",
dev_name(&device_obj->device));
kset_unregister(device_obj->channels_kset);
/*
* Kick off the process of unregistering the device.
* This will call vmbus_remove() and eventually vmbus_device_release()