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

This reverts commit 90d33f3ec519db19d785216299a4ee85ef58ec97 as it's not
the correct fix for this issue, and it causes a build warning to be
added to the kernel tree.

Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index eebf56634ed50000c2ff457accabc4f53a986fd2..bbff5f200bef7a7b070abec6c0f7c202f335159c 100644 (file)
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -203,8 +203,7 @@ static void vmbus_process_rescind_offer(struct work_struct *work)
        struct vmbus_channel *primary_channel;
        struct vmbus_channel_relid_released msg;
 
-       if (channel->device_obj)
-               vmbus_device_unregister(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;
@@ -214,6 +213,11 @@ static void vmbus_process_rescind_offer(struct work_struct *work)
                spin_lock_irqsave(&vmbus_connection.channel_lock, flags);
                list_del(&channel->listentry);
                spin_unlock_irqrestore(&vmbus_connection.channel_lock, flags);
+       } else {
+               primary_channel = channel->primary_channel;
+               spin_lock_irqsave(&primary_channel->sc_lock, flags);
+               list_del(&channel->listentry);
+               spin_unlock_irqrestore(&primary_channel->sc_lock, flags);
        }
        free_channel(channel);
 }