storagemanager: Fix traceback in logging when store type is nil, and store is unsuppo...

diff --git a/core/storagemanager.lua b/core/storagemanager.lua
index 36a671beb68a70ae5abaa069e8bec7df4e42909b..1c82af6d8b2fdf9934d89e41a68e9fd536974c39 100644 (file)
--- a/core/storagemanager.lua
+++ b/core/storagemanager.lua
@@ -86,7 +86,7 @@ function open(host, store, typ)
        if not ret then
                if err == "unsupported-store" then
                        log("debug", "Storage driver %s does not support store %s (%s), falling back to null driver",
-                               driver_name, store, typ);
+                               driver_name, store, typ or "<nil>");
                        ret = null_storage_driver;
                        err = nil;
                end