1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index 13866789b356..7084e7e146c0 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -2,6 +2,9 @@
 #include <linux/spinlock.h>
 #include <linux/virtio_config.h>
 
+/* Unique numbering for virtio devices. */
+static unsigned int dev_index;
+
 static ssize_t device_show(struct device *_d,
                            struct device_attribute *attr, char *buf)
 {
@@ -121,9 +124,9 @@ static int virtio_dev_probe(struct device *_d)
         if (err)
                 add_status(dev, VIRTIO_CONFIG_S_FAILED);
         else {
-                add_status(dev, VIRTIO_CONFIG_S_DRIVER_OK);
                 /* They should never have set feature bits beyond 32 */
                 dev->config->set_features(dev, dev->features[0]);
+                add_status(dev, VIRTIO_CONFIG_S_DRIVER_OK);
         }
         return err;
 }
@@ -166,7 +169,10 @@ int register_virtio_device(struct virtio_device *dev)
         int err;
 
         dev->dev.bus = &virtio_bus;
-        sprintf(dev->dev.bus_id, "%u", dev->index);
+
+        /* Assign a unique device index and hence name. */
+        dev->index = dev_index++;
+        sprintf(dev->dev.bus_id, "virtio%u", dev->index);
 
         /* We always start by resetting the device, in case a previous
          * driver messed it up.  This also tests that code path a little. */