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

Rescind of subchannels were not being correctly handled. Fix the bug. Signed-off-by: K. Y. Srinivasan <[email protected]> Cc: <[email protected]> [3.11+] Signed-off-by: Greg Kroah-Hartman <[email protected]>
alberto-fc · Oct 20, 2013 · 565ce64 · 565ce64
1 parent dfc568e
commit 565ce64
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
@@ -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);