Klocwork issues. (#2847)

* Klocwork issues.

* Revert to dynamic_pointer_cast

src/ngraph/pass/pass.hpp

@@ -73,7 +73,7 @@ protected:
 
 private:
     PassPropertyMask m_property;
-    ManagerState* m_state;
+    ManagerState* m_state{0};
 };
 
 class ngraph::pass::ModulePass : public PassBase

src/ngraph/runtime/cpu/cpu_call_frame.hpp

@@ -89,7 +89,7 @@ namespace ngraph
 
                 std::mutex m_mutex;
                 std::condition_variable m_cv;
-                size_t m_num_ctx_available = 0;
+                volatile size_t m_num_ctx_available = 0;
                 size_t m_prev_ctx = 0;
                 size_t m_num_ctx = 1;
                 std::unordered_map<size_t, bool> m_id_pool;

src/ngraph/runtime/cpu/pass/cpu_fusion.cpp

@@ -1867,7 +1867,8 @@ void ngraph::runtime::cpu::pass::CPUFusion::construct_deconvolution_affine_foldi
                          << m.get_match_root()->get_name();
             auto pattern_map = m.get_pattern_map();
 
-            auto m_bn = std::dynamic_pointer_cast<op::BatchNormInference>(m.get_match_root());
+            // Matcher guarantees this is the right type
+            auto m_bn = std::static_pointer_cast<op::BatchNormInference>(m.get_match_root());
             auto conv_m =
                 std::static_pointer_cast<op::ConvolutionBackpropData>(pattern_map[conv_label]);
 

test/cpio.cpp

@@ -14,6 +14,8 @@
 // limitations under the License.
 //*****************************************************************************
 
+#include <memory>
+
 #include <gtest/gtest.h>
 
 #include "ngraph/cpio.hpp"
@@ -40,25 +42,25 @@ TEST(cpio, read)
 
     {
         int index = 0;
-        char* data = static_cast<char*>(malloc(file_info[index].get_size()));
-        reader.read(file_info[index].get_name(), data, file_info[index].get_size());
-        string content = string(data, file_info[index].get_size());
+        auto data = unique_ptr<char>(new char[file_info[index].get_size()]);
+        reader.read(file_info[index].get_name(), data.get(), file_info[index].get_size());
+        string content = string(data.get(), file_info[index].get_size());
         EXPECT_STREQ(content.c_str(), "12345");
     }
 
     {
         int index = 1;
-        char* data = static_cast<char*>(malloc(file_info[index].get_size()));
-        reader.read(file_info[index].get_name(), data, file_info[index].get_size());
-        string content = string(data, file_info[index].get_size());
+        auto data = unique_ptr<char>(new char[file_info[index].get_size()]);
+        reader.read(file_info[index].get_name(), data.get(), file_info[index].get_size());
+        string content = string(data.get(), file_info[index].get_size());
         EXPECT_STREQ(content.c_str(), "this is a test");
     }
 
     {
         int index = 2;
-        char* data = static_cast<char*>(malloc(file_info[index].get_size()));
-        reader.read(file_info[index].get_name(), data, file_info[index].get_size());
-        string content = string(data, file_info[index].get_size());
+        auto data = unique_ptr<char>(new char[file_info[index].get_size()]);
+        reader.read(file_info[index].get_name(), data.get(), file_info[index].get_size());
+        string content = string(data.get(), file_info[index].get_size());
         EXPECT_STREQ(content.c_str(), "the quick brown fox jumped over the lazy dog");
     }
 }
@@ -90,17 +92,17 @@ TEST(cpio, write)
 
         {
             int index = 0;
-            char* data = static_cast<char*>(malloc(file_info[index].get_size()));
-            reader.read(file_info[index].get_name(), data, file_info[index].get_size());
-            string content = string(data, file_info[index].get_size());
+            auto data = unique_ptr<char>(new char[file_info[index].get_size()]);
+            reader.read(file_info[index].get_name(), data.get(), file_info[index].get_size());
+            string content = string(data.get(), file_info[index].get_size());
             EXPECT_STREQ(content.c_str(), s1.c_str());
         }
 
         {
             int index = 1;
-            char* data = static_cast<char*>(malloc(file_info[index].get_size()));
-            reader.read(file_info[index].get_name(), data, file_info[index].get_size());
-            string content = string(data, file_info[index].get_size());
+            auto data = unique_ptr<char>(new char[file_info[index].get_size()]);
+            reader.read(file_info[index].get_name(), data.get(), file_info[index].get_size());
+            string content = string(data.get(), file_info[index].get_size());
             EXPECT_STREQ(content.c_str(), s2.c_str());
         }
     }