1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index a8521338bf46..28052ff679ca 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1982,7 +1982,10 @@ static ssize_t rbd_name_show(struct device *dev,
 {
         struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
 
-        return sprintf(buf, "%s\n", rbd_dev->spec->image_name);
+        if (rbd_dev->spec->image_name)
+                return sprintf(buf, "%s\n", rbd_dev->spec->image_name);
+
+        return sprintf(buf, "(unknown)\n");
 }
 
 static ssize_t rbd_image_id_show(struct device *dev,