From 3adeae2026d016ab608b19e3e6e1c5a8a05b99be Mon Sep 17 00:00:00 2001
From: Christian Soffke <christian.soffke@gmail.com>
Date: Mon, 13 Dec 2021 23:20:42 +0100
Subject: ImageViewer: Fix crash when zooming on grayscale devices

lcd_update was called while the grayscale overlay was running

regression, apparently introduced by 0ceaff2

(only reproducible on target, not in Simulator)

Change-Id: Ife0ef359e19a03a6dc033070a11ae5843ee555e6
---
 apps/plugins/imageviewer/imageviewer.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/apps/plugins/imageviewer/imageviewer.c b/apps/plugins/imageviewer/imageviewer.c
index 508cf1a5b5..a2b3bb680a 100644
--- a/apps/plugins/imageviewer/imageviewer.c
+++ b/apps/plugins/imageviewer/imageviewer.c
@@ -968,11 +968,13 @@ static int load_and_show(char* filename, struct image_info *info)
             break;
         }
 
+#ifdef USEGSLIB
+        grey_show(false); /* switch off overlay */
+#endif
         rb->lcd_clear_display();
     }
     while (status > PLUGIN_OTHER);
 #ifdef USEGSLIB
-    grey_show(false); /* switch off overlay */
     rb->lcd_update();
 #endif
     return status;
-- 
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