https://github.com/ImageMagick/ImageMagick/issues/792

diff --git a/MagickCore/opencl.c b/MagickCore/opencl.c
index bf27dea021a743c0e7e43db148793a3676cd80b0..78e81fbe69c206d2c74c4ef462dc4b6e55c0bec5 100644 (file)
--- a/MagickCore/opencl.c
+++ b/MagickCore/opencl.c
@@ -1163,7 +1163,7 @@ static void BenchmarkOpenCLDevices(MagickCLEnv clEnv)
 
   testEnv=AcquireMagickCLEnv();
   testEnv->library=openCL_library;
-  testEnv->devices=(MagickCLDevice *) AcquireMagickMemory(
+  testEnv->devices=(MagickCLDevice *) AcquireCriticalMemory(
     sizeof(MagickCLDevice));
   testEnv->number_devices=1;
   testEnv->benchmark_thread_id=GetMagickThreadId();