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Drivers: hv: vmbus: Fix a bug in channel rescind code

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Rescind of subchannels were not being correctly handled. Fix the bug.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: <stable@vger.kernel.org>        [3.11+]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
K. Y. Srinivasan 2013-10-16 19:27:19 -07:00 committed by Greg Kroah-Hartman
parent dfc568e6bc
commit 565ce6422f
1 changed files with 3 additions and 2 deletions
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5
drivers/hv/channel_mgmt.c
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@ -203,7 +203,8 @@ static void vmbus_process_rescind_offer(struct work_struct *work)
struct vmbus_channel *primary_channel;
struct vmbus_channel_relid_released msg;
vmbus_device_unregister(channel->device_obj);
if (channel->device_obj)
vmbus_device_unregister(channel->device_obj);
memset(&msg, 0, sizeof(struct vmbus_channel_relid_released));
msg.child_relid = channel->offermsg.child_relid;
msg.header.msgtype = CHANNELMSG_RELID_RELEASED;
@ -216,7 +217,7 @@ static void vmbus_process_rescind_offer(struct work_struct *work)
} else {
primary_channel = channel->primary_channel;
spin_lock_irqsave(&primary_channel->sc_lock, flags);
list_del(&channel->listentry);
list_del(&channel->sc_list);
spin_unlock_irqrestore(&primary_channel->sc_lock, flags);
}
free_channel(channel);