From 07989afa3815bc361032ce2c00329558aa36fc81 Mon Sep 17 00:00:00 2001
From: Damien Elmes <gpg@ankiweb.net>
Date: Thu, 4 Mar 2021 11:02:48 +1000
Subject: [PATCH] fix infinite loop on card answer when parent is missing deck

---
 rslib/src/storage/deck/mod.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/rslib/src/storage/deck/mod.rs b/rslib/src/storage/deck/mod.rs
index f0e0c5045..aaf19ad69 100644
--- a/rslib/src/storage/deck/mod.rs
+++ b/rslib/src/storage/deck/mod.rs
@@ -202,6 +202,9 @@ impl SqliteStorage {
             if let Some(parent_did) = self.get_deck_id(parent_name)? {
                 let parent = self.get_deck(parent_did)?.unwrap();
                 decks.push(parent);
+            } else {
+                // missing parent
+                break;
             }
         }