1 files changed, 7 insertions, 1 deletions
diff --git a/block/qapi.c b/block/qapi.c
index 7fa2437923..fc10f0a565 100644
--- a/block/qapi.c
+++ b/block/qapi.c
@@ -39,8 +39,14 @@ BlockDeviceInfo *bdrv_block_device_info(BlockBackend *blk,
 {
     ImageInfo **p_image_info;
     BlockDriverState *bs0;
-    BlockDeviceInfo *info = g_malloc0(sizeof(*info));
+    BlockDeviceInfo *info;
 
+    if (!bs->drv) {
+        error_setg(errp, "Block device %s is ejected", bs->node_name);
+        return NULL;
+    }
+
+    info = g_malloc0(sizeof(*info));
     info->file                   = g_strdup(bs->filename);
     info->ro                     = bs->read_only;
     info->drv                    = g_strdup(bs->drv->format_name);