1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index 59918dfc3cb7..0f3c2bb7bf35 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)
 {
@@ -166,6 +169,9 @@ int register_virtio_device(struct virtio_device *dev)
         int err;
 
         dev->dev.bus = &virtio_bus;
+
+        /* 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