From: Hans de Goede <hdego...@redhat.com>
Instead simple disconnect the device like host redirection does on
migration.
Signed-off-by: Hans de Goede <hdego...@redhat.com>
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
hw/usb/redirect.c | 13 +++++++++----
1 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c
index 5e0f98d..2283565 100644
--- a/hw/usb/redirect.c
+++ b/hw/usb/redirect.c
@@ -1614,12 +1614,17 @@ static int usbredir_get_parser(QEMUFile *f, void *priv,
size_t unused)
}
/*
- * Our chardev should be open already at this point, otherwise
- * the usbredir channel will be broken (ie spice without seamless)
+ * If our chardev is not open already at this point the usbredir connection
+ * has been broken (non seamless migration, or restore from disk).
+ *
+ * In this case create a temporary parser to receive the migration data,
+ * and schedule the close_bh to report the device as disconnected to the
+ * guest and to destroy the parser again.
*/
if (dev->parser == NULL) {
- ERROR("get_parser called with closed chardev, failing migration\n");
- return -1;
+ WARNING("usb-redir connection broken during migration\n");
+ usbredir_create_parser(dev);
+ qemu_bh_schedule(dev->chardev_close_bh);
}
data = g_malloc(len);
--
1.7.1
