Drivers: hv: vmbus: Introduce a function to remove a rescinded offer

In response to a rescind message, we need to remove the channel and the
corresponding device. Cleanup this code path by factoring out the code
to remove a channel.

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

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index bf0cf8f3bcaf..9b79aca7e565 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -501,6 +501,15 @@ static int vmbus_close_internal(struct vmbus_channel *channel)
                 put_cpu();
         }
 
+        /*
+         * If the channel has been rescinded; process device removal.
+         */
+        if (channel->rescind) {
+                hv_process_channel_removal(channel,
+                                           channel->offermsg.child_relid);
+                return 0;
+        }
+
         /* Send a closing message */
 
         msg = &channel->close_msg.msg;