From 15a213d3fca17d785441044d7126300d4f4ed4ef Mon Sep 17 00:00:00 2001
From: yao <bitwangyaoyao@gmail.com>
Date: Fri, 31 May 2013 15:35:54 +0800
Subject: [PATCH] fix a crash on Linux

---
 modules/ocl/src/pyrlk.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/ocl/src/pyrlk.cpp b/modules/ocl/src/pyrlk.cpp
index a3e65dd..8e94204 100644
--- a/modules/ocl/src/pyrlk.cpp
+++ b/modules/ocl/src/pyrlk.cpp
@@ -142,7 +142,7 @@ static void lkSparse_run(oclMat &I, oclMat &J,
             int wave_size = queryDeviceInfo<WAVEFRONT_SIZE, int>(kernel);
             openCLSafeCall(clReleaseKernel(kernel));
 
-            static char opt[16] = {0};
+            static char opt[32] = {0};
             sprintf(opt, " -D WAVE_SIZE=%d", wave_size);
 
             openCLExecuteKernel(clCxt, &pyrlk, kernelName, globalThreads, localThreads, 
-- 
2.7.4