[nnfw_api] Prevent memory leakage in `nnfw_session::prepare` method (#5602)

Use `make_unique` to ensure memory is freed in case of exception.

Signed-off-by: Sergei Barannikov <s.barannikov@samsung.com>

diff --git a/runtimes/neurun/frontend/api/wrapper/nnfw_api.cc b/runtimes/neurun/frontend/api/wrapper/nnfw_api.cc
index be4266a..0d4b966 100644 (file)
--- a/runtimes/neurun/frontend/api/wrapper/nnfw_api.cc
+++ b/runtimes/neurun/frontend/api/wrapper/nnfw_api.cc
@@ -70,10 +70,9 @@ NNFW_STATUS nnfw_session::prepare()
 
   try
   {
-    auto compiler = new neurun::compiler::Compiler(_graph);
+    auto compiler = nnfw::cpp14::make_unique<neurun::compiler::Compiler>(_graph);
     compiler->compile();
     compiler->release(_executor);
-    delete compiler;
   }
   catch (...)
   {