File: 1102_style-robustness.patch

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Description: Make generated image styles more robust
Author: UNKNOWN

--- a/include/functions.inc
+++ b/include/functions.inc
@@ -3688,6 +3688,11 @@
       }
       $styles= session::global_get('img-styles');
 
+      /* If there's nothing available, just return nothing */
+      if (!array_key_exists($path, $styles)) {
+        return "";
+      }
+
       /* Extract labels from path */
       preg_match("/(.*\.png)\[(.*)\]$/", $path, $matches);