From 0f79355685128123cf95178d60e515fc71cdabc1 Mon Sep 17 00:00:00 2001
From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Sat, 13 Jan 2018 22:59:39 +0100
Subject: [PATCH] SetMagickResourceLimit will return false when the
 ResourceType is invalid.

---
 MagickCore/resource.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/MagickCore/resource.c b/MagickCore/resource.c
index 9d8dd3add..078b44263 100644
--- a/MagickCore/resource.c
+++ b/MagickCore/resource.c
@@ -1376,6 +1376,10 @@ MagickExport MagickBooleanType SetMagickResourceLimit(const ResourceType type,
   char
     *value;
 
+  MagickBooleanType
+    status;
+
+  status=MagickTrue;
   if (resource_semaphore == (SemaphoreInfo *) NULL)
     resource_semaphore=AcquireSemaphoreInfo();
   LockSemaphoreInfo(resource_semaphore);
@@ -1474,10 +1478,11 @@ MagickExport MagickBooleanType SetMagickResourceLimit(const ResourceType type,
       break;
     }
     default:
+      status=MagickFalse;
       break;
   }
   if (value != (char *) NULL)
     value=DestroyString(value);
   UnlockSemaphoreInfo(resource_semaphore);
-  return(MagickTrue);
+  return(status);
 }
-- 
2.40.0