[RFC PATCH 13/15] virtio-mem: Handle virtio_device_ready() failure

[Xie Yongji]

Now virtio_device_ready() will return error if we get
invalid status. Let's handle this case on probe.

Signed-off-by: Xie Yongji <xieyongji@xxxxxxxxxxxxx>
---
 drivers/virtio/virtio_mem.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c
index 32a8e359a5c3..1148c392ff94 100644
--- a/drivers/virtio/virtio_mem.c
+++ b/drivers/virtio/virtio_mem.c
@@ -2602,13 +2602,17 @@ static int virtio_mem_probe(struct virtio_device *vdev)
 	if (rc)
 		goto out_unreg_mem;
 
-	virtio_device_ready(vdev);
+	rc = virtio_device_ready(vdev);
+	if (rc)
+		goto out_unreg_device;
 
 	/* trigger a config update to start processing the requested_size */
 	atomic_set(&vm->config_changed, 1);
 	queue_work(system_freezable_wq, &vm->wq);
 
 	return 0;
+out_unreg_device:
+	unregister_virtio_mem_device(vm);
 out_unreg_mem:
 	unregister_memory_notifier(&vm->memory_notifier);
 out_del_resource:
-- 
2.11.0