From 5146c3043fa559eab454a7c71f7045e2e016f2e7 Mon Sep 17 00:00:00 2001
From: Christian Soffke <christian.soffke@gmail.com>
Date: Mon, 13 Dec 2021 00:07:39 +0100
Subject: [PATCH] pictureflow: Fix concurrency issues building art cache

Guards against possible image corruption

Change-Id: Id7e1e3a09cb13c255eea0ffdd2e4c4d558086997
---
 apps/plugins/pictureflow/pictureflow.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/apps/plugins/pictureflow/pictureflow.c b/apps/plugins/pictureflow/pictureflow.c
index a2782b6a2b..65efed72c7 100644
--- a/apps/plugins/pictureflow/pictureflow.c
+++ b/apps/plugins/pictureflow/pictureflow.c
@@ -4416,7 +4416,12 @@ static int pictureflow_main(const char* selected_file)
                 break;
             case pf_idle:
                 render_all_slides();
-                incremental_albumart_cache(false);
+                if (aa_cache.inspected < pf_idx.album_ct)
+                {
+                    buf_ctx_lock();
+                    incremental_albumart_cache(false);
+                    buf_ctx_unlock();
+                }
                 break;
         }