Drivers: hv: vmbus: Introduce a function to remove a rescinded offer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 bf0cf8f..9b79aca 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+	 * If the channel has been rescinded; process device removal.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;