virtio: Check dev_set_name() return value

It's possible that dev_set_name() returns -ENOMEM, catch and handle this.

Signed-off-by: Bo Liu <liubo03@inspur.com>
Message-Id: <20220707031751.4802-1-liubo03@inspur.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>

diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index 7deeed3..ddd4466 100644 (file)
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -428,7 +428,9 @@ int register_virtio_device(struct virtio_device *dev)
                goto out;
 
        dev->index = err;
-       dev_set_name(&dev->dev, "virtio%u", dev->index);
+       err = dev_set_name(&dev->dev, "virtio%u", dev->index);
+       if (err)
+               goto out_ida_remove;
 
        err = virtio_device_of_init(dev);
        if (err)