From 2df778967b5d27c361c8f1389525d6c7e2dc9d10 Mon Sep 17 00:00:00 2001
From: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Date: Sun, 10 Jul 2016 19:08:58 +0100
Subject: [PATCH] dbdma: reset io->processing flag for unassigned DBDMA channel
 rw accesses

Otherwise MacOS 9 hangs upon shutdown.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
 hw/misc/macio/mac_dbdma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/misc/macio/mac_dbdma.c b/hw/misc/macio/mac_dbdma.c
index ef5b0a51ca..15452b9a28 100644
--- a/hw/misc/macio/mac_dbdma.c
+++ b/hw/misc/macio/mac_dbdma.c
@@ -778,6 +778,7 @@ static void dbdma_unassigned_rw(DBDMA_io *io)
     DBDMA_channel *ch = io->channel;
     qemu_log_mask(LOG_GUEST_ERROR, "%s: use of unassigned channel %d\n",
                   __func__, ch->channel);
+    ch->io.processing = false;
 }
 
 static void dbdma_unassigned_flush(DBDMA_io *io)
-- 
2.11.0