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-rw-r--r--drivers/hv/channel.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 19f0cf37e0ed..ba0a092ae085 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -659,22 +659,28 @@ void vmbus_close(struct vmbus_channel *channel)
*/
return;
}
- mutex_lock(&vmbus_connection.channel_mutex);
/*
* Close all the sub-channels first and then close the
* primary channel.
*/
list_for_each_safe(cur, tmp, &channel->sc_list) {
cur_channel = list_entry(cur, struct vmbus_channel, sc_list);
- vmbus_close_internal(cur_channel);
if (cur_channel->rescind) {
+ wait_for_completion(&cur_channel->rescind_event);
+ mutex_lock(&vmbus_connection.channel_mutex);
+ vmbus_close_internal(cur_channel);
hv_process_channel_removal(
cur_channel->offermsg.child_relid);
+ } else {
+ mutex_lock(&vmbus_connection.channel_mutex);
+ vmbus_close_internal(cur_channel);
}
+ mutex_unlock(&vmbus_connection.channel_mutex);
}
/*
* Now close the primary.
*/
+ mutex_lock(&vmbus_connection.channel_mutex);
vmbus_close_internal(channel);
mutex_unlock(&vmbus_connection.channel_mutex);
}