fix a crash on Linux

15a213d3 · yao · d81c145f · 15a213d3
Commit 15a213d3 authored May 31, 2013 by yao
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pyrlk.cpp modules/ocl/src/pyrlk.cpp +1 -1

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--- 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,