1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 62703b354d6d..3fc0b247a807 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -336,6 +336,8 @@ static struct vmbus_channel *alloc_channel(void)
 	tasklet_init(&channel->callback_event,
 		     vmbus_on_event, (unsigned long)channel);
 
+	hv_ringbuffer_pre_init(channel);
+
 	return channel;
 }
 
@@ -345,6 +347,7 @@ static struct vmbus_channel *alloc_channel(void)
 static void free_channel(struct vmbus_channel *channel)
 {
 	tasklet_kill(&channel->callback_event);
+	vmbus_remove_channel_attr_group(channel);
 
 	kobject_put(&channel->kobj);
 }