From 3a1bb933401446b442348026b9cb680d35f3f449 Mon Sep 17 00:00:00 2001
From: Ilya Lavrenov <ilya.lavrenov@itseez.com>
Date: Tue, 1 Sep 2015 13:04:33 +0300
Subject: [PATCH] release filestorage before exception

---
 modules/ml/src/svm.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/ml/src/svm.cpp b/modules/ml/src/svm.cpp
index 0a5bfffa3..594a43a89 100644
--- a/modules/ml/src/svm.cpp
+++ b/modules/ml/src/svm.cpp
@@ -2315,7 +2315,12 @@ void CvSVM::write( CvFileStorage* fs, const char* name ) const
                       params.svm_type == CvSVM::ONE_CLASS ? 1 : 0;
     const CvSVMDecisionFunc* df = decision_func;
     if( !isSvmModelApplicable(sv_total, var_all, var_count, class_count) )
+    {
+        cvReleaseFileStorage( &fs );
+        fs = NULL;
+
         CV_ERROR( CV_StsParseError, "SVM model data is invalid, check sv_count, var_* and class_count tags" );
+    }
 
     cvStartWriteStruct( fs, name, CV_NODE_MAP, CV_TYPE_NAME_ML_SVM );