DisplayCommandHandler:potential crash

Reference:xen-troops#116 The assert(..) verification has been added to avoid the crash. Signed-off-by: Ihor Usyk <[email protected]>
iusyk · Jun 24, 2020 · 4e08dd5 · 4e08dd5
1 parent 4977433
commit 4e08dd5
Showing 1 changed file with 8 additions and 3 deletions.
diff --git a/src/displayBackend/DisplayCommandHandler.cpp b/src/displayBackend/DisplayCommandHandler.cpp
@@ -21,7 +21,7 @@
 #include "DisplayCommandHandler.hpp"
 
 #include <iomanip>
-
+#include <cassert>
 #include <xen/be/Exception.hpp>
 
 using std::dec;
@@ -89,15 +89,20 @@ DisplayCommandHandler::DisplayCommandHandler(
 	mEventId(0),
 	mLog("CommandHandler")
 {
+	assert(mConnector);
+	assert(mDisplay);
+	assert(mBuffersStorage);
+	assert(mEventBuffer);
+
 	LOG(mLog, DEBUG) << "Create command handler, connector name: "
-					 << mConnector->getName();
+                         << mConnector->getName();
 }
 
 DisplayCommandHandler::~DisplayCommandHandler()
 {
+
 	LOG(mLog, DEBUG) << "Delete command handler, connector name: "
 					 << mConnector->getName();
-
 	mConnector.reset();
 }