lib-storage: Don't try to mkdir root directory for unusable namespaces

The unusable namespaces are for nonexistent user shared namespaces.

diff --git a/src/lib-storage/mailbox-list.c b/src/lib-storage/mailbox-list.c
index 9712d1d679990a863f64e9bc0cd8d8732c2940be..b402a762294c19fac671e02428d6b110dddf2f62 100644 (file)
--- a/src/lib-storage/mailbox-list.c
+++ b/src/lib-storage/mailbox-list.c
@@ -1438,6 +1438,8 @@ int mailbox_list_mkdir_missing_index_root(struct mailbox_list *list)
 
        if (list->index_root_dir_created)
                return 1;
+       if ((list->ns->flags & NAMESPACE_FLAG_UNUSABLE) != 0)
+               return -1;
 
        /* If index root dir hasn't been created yet, do it now.
           Do this here even if the index directory is the same as mail root