correct possible buffer cleanup issues;

src/fne/network/DiagNetwork.cpp

@@ -85,7 +85,8 @@ void DiagNetwork::processNetwork()
         ::memcpy(req->buffer, buffer.get(), length);
 
         if (!Thread::runAsThread(m_fneNetwork, threadedNetworkRx, req)) {
-            delete[] req->buffer;
+            if (req->buffer != nullptr)
+                delete[] req->buffer;
             delete req;
             return;
         }
@@ -156,10 +157,18 @@ void* DiagNetwork::threadedNetworkRx(void* arg)
 
         FNENetwork* network = static_cast<FNENetwork*>(req->obj);
         if (network == nullptr) {
-            delete req;
+            if (req != nullptr) {
+                if (req->buffer != nullptr)
+                    delete[] req->buffer;
+                delete req;
+            }
+
             return nullptr;
         }
 
+        if (req == nullptr)
+            return nullptr;
+
         if (req->length > 0) {
             uint32_t peerId = req->fneHeader.getPeerId();
 

src/fne/network/FNENetwork.cpp

@@ -464,10 +464,18 @@ void* FNENetwork::threadedNetworkRx(void* arg)
 
         FNENetwork* network = static_cast<FNENetwork*>(req->obj);
         if (network == nullptr) {
-            delete req;
+            if (req != nullptr) {
+                if (req->buffer != nullptr)
+                    delete[] req->buffer;
+                delete req;
+            }
+
             return nullptr;
         }
 
+        if (req == nullptr)
+            return nullptr;
+
         if (req->length > 0) {
             uint32_t peerId = req->fneHeader.getPeerId();
             uint32_t streamId = req->fneHeader.getStreamId();
@@ -512,7 +520,7 @@ void* FNENetwork::threadedNetworkRx(void* arg)
                 LogError(LOG_NET, "PEER %u (%s) malformed packet (no stream ID for a call?)", peerId, peerIdentity.c_str());
 
                 if (req->buffer != nullptr)
-                    delete req->buffer;
+                    delete[] req->buffer;
                 delete req;
 
                 return nullptr;
@@ -1726,10 +1734,14 @@ void* FNENetwork::threadedACLUpdate(void* arg)
 
         FNENetwork* network = static_cast<FNENetwork*>(req->obj);
         if (network == nullptr) {
-            delete req;
+            if (req != nullptr)
+                delete req;
             return nullptr;
         }
 
+        if (req == nullptr)
+            return nullptr;
+
         std::string peerIdentity = network->resolvePeerIdentity(req->peerId);
 
         FNEPeerConnection* connection = network->m_peers[req->peerId];